77028310057 has 8 divisors (see below), whose sum is σ = 80381604096. Its totient is φ = 73675369152.

The previous prime is 77028310013. The next prime is 77028310063. The reversal of 77028310057 is 75001382077.

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 77028310057 - 2¹¹ = 77028308009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (77028310097) 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, 419728 + ... + 574654.

It is an arithmetic number, because the mean of its divisors is an integer number (10047700512).

Almost surely, 2^77028310057 is an apocalyptic number.

It is an amenable number.

77028310057 is a deficient number, since it is larger than the sum of its proper divisors (3353294039).

77028310057 is a wasteful number, since it uses less digits than its factorization.

77028310057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176567.

The product of its (nonzero) digits is 82320, while the sum is 40.

The spelling of 77028310057 in words is "seventy-seven billion, twenty-eight million, three hundred ten thousand, fifty-seven".