56787603874 has 4 divisors (see below), whose sum is σ = 85181405814. Its totient is φ = 28393801936.

The previous prime is 56787603863. The next prime is 56787603881. The reversal of 56787603874 is 47830678765.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 53132555025 + 3655048849 = 230505^2 + 60457^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14196900967 + ... + 14196900970.

Almost surely, 2^56787603874 is an apocalyptic number.

56787603874 is a deficient number, since it is larger than the sum of its proper divisors (28393801940).

56787603874 is a wasteful number, since it uses less digits than its factorization.

56787603874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28393801939.

The product of its (nonzero) digits is 47416320, while the sum is 61.

The spelling of 56787603874 in words is "fifty-six billion, seven hundred eighty-seven million, six hundred three thousand, eight hundred seventy-four".