64883808 has 96 divisors (see below), whose sum is σ = 206478720. Its totient is φ = 19658880.

The previous prime is 64883801. The next prime is 64883813. The reversal of 64883808 is 80838846.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-3 number, since 3×64883808³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64883801) 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, 6091 + ... + 12917.

It is an arithmetic number, because the mean of its divisors is an integer number (2150820).

Almost surely, 2^64883808 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 64883808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103239360).

64883808 is an abundant number, since it is smaller than the sum of its proper divisors (141594912).

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

64883808 is a wasteful number, since it uses less digits than its factorization.

64883808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6857 (or 6843 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 45.

The square root of 64883808 is about 8055.0486032053. The cubic root of 64883808 is about 401.8328554415.

It can be divided in two parts, 6488 and 3808, that added together give a triangular number (10296 = T₁₄₃).

The spelling of 64883808 in words is "sixty-four million, eight hundred eighty-three thousand, eight hundred eight".