64811852 has 12 divisors (see below), whose sum is σ = 129623760. Its totient is φ = 27776496.

The previous prime is 64811849. The next prime is 64811881. The reversal of 64811852 is 25811846.

64811852 is an admirable number.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

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, 1157327 + ... + 1157382.

It is an arithmetic number, because the mean of its divisors is an integer number (10801980).

Almost surely, 2^64811852 is an apocalyptic number.

It is an amenable number.

64811852 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

64811852 is a wasteful number, since it uses less digits than its factorization.

64811852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2314720 (or 2314718 counting only the distinct ones).

The product of its digits is 15360, while the sum is 35.

The square root of 64811852 is about 8050.5808486096. The cubic root of 64811852 is about 401.6842565791.

The spelling of 64811852 in words is "sixty-four million, eight hundred eleven thousand, eight hundred fifty-two".