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77055077 = 117395959
BaseRepresentation
bin1001001011111…
…00010001100101
312100222210200202
410211330101211
5124211230302
611351320245
71623646241
oct445742145
9170883622
1077055077
113a54a690
1221980085
1312c6bb28
14a33b421
156b71202
hex497c465

77055077 has 8 divisors (see below), whose sum is σ = 85212480. Its totient is φ = 69089760.

The previous prime is 77055061. The next prime is 77055079.

77055077 is nontrivially palindromic in base 10.

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 77055077 - 24 = 77055061 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 77055077.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77055079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47177 + ... + 48782.

It is an arithmetic number, because the mean of its divisors is an integer number (10651560).

Almost surely, 277055077 is an apocalyptic number.

It is an amenable number.

77055077 is a deficient number, since it is larger than the sum of its proper divisors (8157403).

77055077 is a wasteful number, since it uses less digits than its factorization.

77055077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96043.

The product of its (nonzero) digits is 60025, while the sum is 38.

The square root of 77055077 is about 8778.1021297317. The cubic root of 77055077 is about 425.5334975007.

The spelling of 77055077 in words is "seventy-seven million, fifty-five thousand, seventy-seven".

Divisors: 1 11 73 803 95959 1055549 7005007 77055077