8557311234 has 64 divisors (see below), whose sum is σ = 18147406464. Its totient is φ = 2686473216.

The previous prime is 8557311229. The next prime is 8557311263. The reversal of 8557311234 is 4321137558.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 8557311192 and 8557311201.

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, 1074732 + ... + 1082664.

It is an arithmetic number, because the mean of its divisors is an integer number (283553226).

Almost surely, 2^8557311234 is an apocalyptic number.

8557311234 is an abundant number, since it is smaller than the sum of its proper divisors (9590095230).

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

8557311234 is a wasteful number, since it uses less digits than its factorization.

8557311234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8131.

The product of its digits is 100800, while the sum is 39.

The square root of 8557311234 is about 92505.7362221392. The cubic root of 8557311234 is about 2045.4040393038.

The spelling of 8557311234 in words is "eight billion, five hundred fifty-seven million, three hundred eleven thousand, two hundred thirty-four".