856553293370 has 64 divisors (see below), whose sum is σ = 1611830568960. Its totient is φ = 327400538112.

The previous prime is 856553293249. The next prime is 856553293391. The reversal of 856553293370 is 73392355658.

856553293370 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23711162 + ... + 23747258.

It is an arithmetic number, because the mean of its divisors is an integer number (25184852640).

Almost surely, 2^856553293370 is an apocalyptic number.

856553293370 is a deficient number, since it is larger than the sum of its proper divisors (755277275590).

856553293370 is a wasteful number, since it uses less digits than its factorization.

856553293370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37287.

The product of its (nonzero) digits is 20412000, while the sum is 56.

The spelling of 856553293370 in words is "eight hundred fifty-six billion, five hundred fifty-three million, two hundred ninety-three thousand, three hundred seventy".