64079856 has 160 divisors (see below), whose sum is σ = 199788800. Its totient is φ = 19595520.

The previous prime is 64079833. The next prime is 64079857. The reversal of 64079856 is 65897046.

It is a super-4 number, since 4×64079856⁴ (a number of 32 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64079857) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 303591 + ... + 303801.

It is an arithmetic number, because the mean of its divisors is an integer number (1248680).

Almost surely, 2^64079856 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64079856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99894400).

64079856 is an abundant number, since it is smaller than the sum of its proper divisors (135708944).

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

64079856 is a wasteful number, since it uses less digits than its factorization.

64079856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284 (or 272 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The square root of 64079856 is about 8004.9894440905. The cubic root of 64079856 is about 400.1662975199.

The spelling of 64079856 in words is "sixty-four million, seventy-nine thousand, eight hundred fifty-six".