56578873770 has 48 divisors (see below), whose sum is σ = 147875300352. Its totient is φ = 15008701920.

The previous prime is 56578873753. The next prime is 56578873783. The reversal of 56578873770 is 7737887565.

56578873770 is a `hidden beast` number, since 56 + 578 + 8 + 7 + 3 + 7 + 7 + 0 = 666.

56578873770 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 56578873698 and 56578873707.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1628502 + ... + 1662881.

It is an arithmetic number, because the mean of its divisors is an integer number (3080735424).

Almost surely, 2^56578873770 is an apocalyptic number.

56578873770 is an abundant number, since it is smaller than the sum of its proper divisors (91296426582).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56578873770 is a wasteful number, since it uses less digits than its factorization.

56578873770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3291587 (or 3291584 counting only the distinct ones).

The product of its (nonzero) digits is 69148800, while the sum is 63.

The spelling of 56578873770 in words is "fifty-six billion, five hundred seventy-eight million, eight hundred seventy-three thousand, seven hundred seventy".