64886808 has 64 divisors (see below), whose sum is σ = 187776000. Its totient is φ = 18300672.

The previous prime is 64886803. The next prime is 64886831. The reversal of 64886808 is 80868846.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64886803) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10828 + ... + 15716.

It is an arithmetic number, because the mean of its divisors is an integer number (2934000).

Almost surely, 2^64886808 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 64886808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93888000).

64886808 is an abundant number, since it is smaller than the sum of its proper divisors (122889192).

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

64886808 is a wasteful number, since it uses less digits than its factorization.

64886808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4984 (or 4980 counting only the distinct ones).

The product of its (nonzero) digits is 589824, while the sum is 48.

The square root of 64886808 is about 8055.2348196685. The cubic root of 64886808 is about 401.8390484606.

The spelling of 64886808 in words is "sixty-four million, eight hundred eighty-six thousand, eight hundred eight".