77123296055 has 64 divisors (see below), whose sum is σ = 110205204480. Its totient is φ = 51264576000.

The previous prime is 77123296051. The next prime is 77123296073. The reversal of 77123296055 is 55069232177.

It is not a de Polignac number, because 77123296055 - 2² = 77123296051 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77123296051) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4280165 + ... + 4298145.

It is an arithmetic number, because the mean of its divisors is an integer number (1721956320).

Almost surely, 2^77123296055 is an apocalyptic number.

77123296055 is a deficient number, since it is larger than the sum of its proper divisors (33081908425).

77123296055 is a wasteful number, since it uses less digits than its factorization.

77123296055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18192.

The product of its (nonzero) digits is 793800, while the sum is 47.

The spelling of 77123296055 in words is "seventy-seven billion, one hundred twenty-three million, two hundred ninety-six thousand, fifty-five".