80502528057 has 16 divisors (see below), whose sum is σ = 122690912640. Its totient is φ = 45993796992.

The previous prime is 80502528053. The next prime is 80502528077. The reversal of 80502528057 is 75082520508.

It is not a de Polignac number, because 80502528057 - 2² = 80502528053 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80502528053) 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, 188082 + ... + 443147.

It is an arithmetic number, because the mean of its divisors is an integer number (7668182040).

Almost surely, 2^80502528057 is an apocalyptic number.

It is an amenable number.

80502528057 is a deficient number, since it is larger than the sum of its proper divisors (42188384583).

80502528057 is a wasteful number, since it uses less digits than its factorization.

80502528057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 637312.

The product of its (nonzero) digits is 224000, while the sum is 42.

The spelling of 80502528057 in words is "eighty billion, five hundred two million, five hundred twenty-eight thousand, fifty-seven".