8557464236 has 12 divisors (see below), whose sum is σ = 15108090312. Its totient is φ = 4240867008.

The previous prime is 8557464221. The next prime is 8557464241. The reversal of 8557464236 is 6324647558.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9465770 + ... + 9466673.

It is an arithmetic number, because the mean of its divisors is an integer number (1259007526).

Almost surely, 2^8557464236 is an apocalyptic number.

It is an amenable number.

8557464236 is a deficient number, since it is larger than the sum of its proper divisors (6550626076).

8557464236 is a wasteful number, since it uses less digits than its factorization.

8557464236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18932560 (or 18932558 counting only the distinct ones).

The product of its digits is 4838400, while the sum is 50.

The square root of 8557464236 is about 92506.5632049964. The cubic root of 8557464236 is about 2045.4162296222.

The spelling of 8557464236 in words is "eight billion, five hundred fifty-seven million, four hundred sixty-four thousand, two hundred thirty-six".