64855264 has 12 divisors (see below), whose sum is σ = 127683864. Its totient is φ = 32427616.

The previous prime is 64855249. The next prime is 64855277. The reversal of 64855264 is 46255846.

It is a congruent number.

It is an unprimeable number.

It is an upside-down number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1013332 + ... + 1013395.

It is an arithmetic number, because the mean of its divisors is an integer number (10640322).

Almost surely, 2^64855264 is an apocalyptic number.

It is an amenable number.

64855264 is a deficient number, since it is larger than the sum of its proper divisors (62828600).

64855264 is a wasteful number, since it uses less digits than its factorization.

64855264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2026737 (or 2026729 counting only the distinct ones).

The product of its digits is 230400, while the sum is 40.

The square root of 64855264 is about 8053.2766002417. The cubic root of 64855264 is about 401.7739213778.

The spelling of 64855264 in words is "sixty-four million, eight hundred fifty-five thousand, two hundred sixty-four".