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8420795616677 = 371091208605931
BaseRepresentation
bin111101010001001111010…
…0010000000110110100101
31002211000112201120120000012
41322202132202000312211
52100431242134213202
625524243214300005
71526245110513263
oct172423642006645
932730481516005
108420795616677
11275726a6611a4
12b4000b4b7605
134911016b6b12
142117d6671433
15e909e388152
hex7a89e880da5

8420795616677 has 8 divisors (see below), whose sum is σ = 8656311754272. Its totient is φ = 8185696693200.

The previous prime is 8420795616619. The next prime is 8420795616691. The reversal of 8420795616677 is 7766165970248.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8420795616677 - 230 = 8419721874853 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8420795616617) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104262599 + ... + 104343332.

It is an arithmetic number, because the mean of its divisors is an integer number (1082038969284).

Almost surely, 28420795616677 is an apocalyptic number.

It is an amenable number.

8420795616677 is a deficient number, since it is larger than the sum of its proper divisors (235516137595).

8420795616677 is a wasteful number, since it uses less digits than its factorization.

8420795616677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208607059.

The product of its (nonzero) digits is 213373440, while the sum is 68.

The spelling of 8420795616677 in words is "eight trillion, four hundred twenty billion, seven hundred ninety-five million, six hundred sixteen thousand, six hundred seventy-seven".

Divisors: 1 37 1091 40367 208605931 7718419447 227589070721 8420795616677