56870666870 has 32 divisors (see below), whose sum is σ = 107099953920. Its totient is φ = 21701766240.

The previous prime is 56870666869. The next prime is 56870666921. The reversal of 56870666870 is 7866607865.

56870666870 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 239036 + ... + 413375.

It is an arithmetic number, because the mean of its divisors is an integer number (3346873560).

Almost surely, 2^56870666870 is an apocalyptic number.

56870666870 is a deficient number, since it is larger than the sum of its proper divisors (50229287050).

56870666870 is a wasteful number, since it uses less digits than its factorization.

56870666870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 652820.

The product of its (nonzero) digits is 20321280, while the sum is 59.

The spelling of 56870666870 in words is "fifty-six billion, eight hundred seventy million, six hundred sixty-six thousand, eight hundred seventy".