56898689865 has 32 divisors (see below), whose sum is σ = 92024315136. Its totient is φ = 30017721600.

The previous prime is 56898689851. The next prime is 56898689867.

56898689865 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 56898689865 - 2⁵ = 56898689833 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56898689867) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1675444 + ... + 1709066.

It is an arithmetic number, because the mean of its divisors is an integer number (2875759848).

Almost surely, 2^56898689865 is an apocalyptic number.

It is an amenable number.

56898689865 is a deficient number, since it is larger than the sum of its proper divisors (35125625271).

56898689865 is a wasteful number, since it uses less digits than its factorization.

56898689865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34849.

The product of its digits is 1791590400, while the sum is 78.

The spelling of 56898689865 in words is "fifty-six billion, eight hundred ninety-eight million, six hundred eighty-nine thousand, eight hundred sixty-five".