856214711554 has 16 divisors (see below), whose sum is σ = 1330714653120. Its totient is φ = 412689952080.

The previous prime is 856214711549. The next prime is 856214711563. The reversal of 856214711554 is 455117412658.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 856214711498 and 856214711507.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11660964 + ... + 11734159.

It is an arithmetic number, because the mean of its divisors is an integer number (83169665820).

Almost surely, 2^856214711554 is an apocalyptic number.

856214711554 is a deficient number, since it is larger than the sum of its proper divisors (474499941566).

856214711554 is a wasteful number, since it uses less digits than its factorization.

856214711554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23395785.

The product of its digits is 1344000, while the sum is 49.

The spelling of 856214711554 in words is "eight hundred fifty-six billion, two hundred fourteen million, seven hundred eleven thousand, five hundred fifty-four".