56872470863 has 4 divisors (see below), whose sum is σ = 61247276328. Its totient is φ = 52497665400.

The previous prime is 56872470821. The next prime is 56872470899. The reversal of 56872470863 is 36807427865.

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

It is a cyclic number.

It is not a de Polignac number, because 56872470863 - 2¹⁴ = 56872454479 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56872470799 and 56872470808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56872472863) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2187402713 + ... + 2187402738.

It is an arithmetic number, because the mean of its divisors is an integer number (15311819082).

Almost surely, 2^56872470863 is an apocalyptic number.

56872470863 is a deficient number, since it is larger than the sum of its proper divisors (4374805465).

56872470863 is a wasteful number, since it uses less digits than its factorization.

56872470863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4374805464.

The product of its (nonzero) digits is 13547520, while the sum is 56.

The spelling of 56872470863 in words is "fifty-six billion, eight hundred seventy-two million, four hundred seventy thousand, eight hundred sixty-three".