64113856 has 28 divisors (see below), whose sum is σ = 128978152. Its totient is φ = 31615488.

The previous prime is 64113839. The next prime is 64113869. The reversal of 64113856 is 65831146.

It is a happy number.

It is a super-2 number, since 2×64113856² = 8221173062377472, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2190 + ... + 11533.

Almost surely, 2^64113856 is an apocalyptic number.

It is an amenable number.

64113856 is an abundant number, since it is smaller than the sum of its proper divisors (64864296).

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

64113856 is a wasteful number, since it uses less digits than its factorization.

64113856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13808 (or 13798 counting only the distinct ones).

The product of its digits is 17280, while the sum is 34.

The square root of 64113856 is about 8007.1128379710. The cubic root of 64113856 is about 400.2370594793.

The spelling of 64113856 in words is "sixty-four million, one hundred thirteen thousand, eight hundred fifty-six".