8272564408 has 16 divisors (see below), whose sum is σ = 15516126000. Its totient is φ = 4134930816.

The previous prime is 8272564397. The next prime is 8272564439. The reversal of 8272564408 is 8044652728.

It is a congruent 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, 142668 + ... + 192091.

It is an arithmetic number, because the mean of its divisors is an integer number (969757875).

Almost surely, 2^8272564408 is an apocalyptic number.

It is an amenable number.

8272564408 is a deficient number, since it is larger than the sum of its proper divisors (7243561592).

8272564408 is a wasteful number, since it uses less digits than its factorization.

8272564408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337854 (or 337850 counting only the distinct ones).

The product of its (nonzero) digits is 860160, while the sum is 46.

The square root of 8272564408 is about 90953.6387837232. The cubic root of 8272564408 is about 2022.4605189796.

The spelling of 8272564408 in words is "eight billion, two hundred seventy-two million, five hundred sixty-four thousand, four hundred eight".