56236984786 has 4 divisors (see below), whose sum is σ = 84355477182. Its totient is φ = 28118492392.

The previous prime is 56236984717. The next prime is 56236984799. The reversal of 56236984786 is 68748963265.

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., 56223523225 + 13461561 = 237115^2 + 3669^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14059246195 + ... + 14059246198.

Almost surely, 2^56236984786 is an apocalyptic number.

56236984786 is a deficient number, since it is larger than the sum of its proper divisors (28118492396).

56236984786 is a wasteful number, since it uses less digits than its factorization.

56236984786 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28118492395.

The product of its digits is 104509440, while the sum is 64.

The spelling of 56236984786 in words is "fifty-six billion, two hundred thirty-six million, nine hundred eighty-four thousand, seven hundred eighty-six".