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87774407744441 = 1130493203817073
BaseRepresentation
bin10011111101010010010010…
…011001001101101110111001
3102111210011002101121110021212
4103331102102121031232321
543001043441340310231
6510403001203412505
724326330435445605
oct2375222231155671
9374704071543255
1087774407744441
1125a70a0a996850
129a17327684135
1339c91252b7112
14179643827a505
15a2333176942b
hex4fd49264dbb9

87774407744441 has 16 divisors (see below), whose sum is σ = 95815326513600. Its totient is φ = 79743743301120.

The previous prime is 87774407744399. The next prime is 87774407744449. The reversal of 87774407744441 is 14444770447778.

It is a cyclic number.

It is not a de Polignac number, because 87774407744441 - 26 = 87774407744377 is a prime.

It is a super-3 number, since 3×877744077444413 (a number of 43 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (87774407744449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 107016881 + ... + 107833953.

It is an arithmetic number, because the mean of its divisors is an integer number (5988457907100).

Almost surely, 287774407744441 is an apocalyptic number.

It is an amenable number.

87774407744441 is a deficient number, since it is larger than the sum of its proper divisors (8040918769159).

87774407744441 is a wasteful number, since it uses less digits than its factorization.

87774407744441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 823336.

The product of its (nonzero) digits is 550731776, while the sum is 68.

The spelling of 87774407744441 in words is "eighty-seven trillion, seven hundred seventy-four billion, four hundred seven million, seven hundred forty-four thousand, four hundred forty-one".

Divisors: 1 11 3049 3203 33539 35233 817073 8987803 9765947 107425417 2491255577 2617084819 27403811347 28787933009 7979491613131 87774407744441