8672712644 has 12 divisors (see below), whose sum is σ = 15666835968. Its totient is φ = 4196473800.

The previous prime is 8672712619. The next prime is 8672712661. The reversal of 8672712644 is 4462172768.

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, 34970492 + ... + 34970739.

It is an arithmetic number, because the mean of its divisors is an integer number (1305569664).

Almost surely, 2^8672712644 is an apocalyptic number.

It is an amenable number.

8672712644 is a deficient number, since it is larger than the sum of its proper divisors (6994123324).

8672712644 is a wasteful number, since it uses less digits than its factorization.

8672712644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69941266 (or 69941264 counting only the distinct ones).

The product of its digits is 903168, while the sum is 47.

The square root of 8672712644 is about 93127.4000710854. The cubic root of 8672712644 is about 2054.5575890447.

The spelling of 8672712644 in words is "eight billion, six hundred seventy-two million, seven hundred twelve thousand, six hundred forty-four".