56887278865 has 8 divisors (see below), whose sum is σ = 68318115840. Its totient is φ = 45474235632.

The previous prime is 56887278829. The next prime is 56887278881.

56887278865 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 56887278865 - 2⁷ = 56887278737 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 56887278794 and 56887278803.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4441399 + ... + 4454188.

It is an arithmetic number, because the mean of its divisors is an integer number (8539764480).

Almost surely, 2^56887278865 is an apocalyptic number.

It is an amenable number.

56887278865 is a deficient number, since it is larger than the sum of its proper divisors (11430836975).

56887278865 is a wasteful number, since it uses less digits than its factorization.

56887278865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8896871.

The product of its digits is 361267200, while the sum is 70.

The spelling of 56887278865 in words is "fifty-six billion, eight hundred eighty-seven million, two hundred seventy-eight thousand, eight hundred sixty-five".