56787426586 has 64 divisors (see below), whose sum is σ = 99328166784. Its totient is φ = 24063436800.

The previous prime is 56787426541. The next prime is 56787426589. The reversal of 56787426586 is 68562478765.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (56787426589) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45906760 + ... + 45907996.

It is an arithmetic number, because the mean of its divisors is an integer number (1552002606).

Almost surely, 2^56787426586 is an apocalyptic number.

56787426586 is a deficient number, since it is larger than the sum of its proper divisors (42540740198).

56787426586 is a wasteful number, since it uses less digits than its factorization.

56787426586 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2335.

The product of its digits is 135475200, while the sum is 64.

The spelling of 56787426586 in words is "fifty-six billion, seven hundred eighty-seven million, four hundred twenty-six thousand, five hundred eighty-six".