64880606 has 12 divisors (see below), whose sum is σ = 113210208. Its totient is φ = 27805932.

The previous prime is 64880587. The next prime is 64880657. The reversal of 64880606 is 60608846.

It is a super-4 number, since 4×64880606⁴ (a number of 32 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 64880606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 330926 + ... + 331121.

It is an arithmetic number, because the mean of its divisors is an integer number (9434184).

Almost surely, 2^64880606 is an apocalyptic number.

64880606 is a deficient number, since it is larger than the sum of its proper divisors (48329602).

64880606 is a wasteful number, since it uses less digits than its factorization.

64880606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 662063 (or 662056 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 38.

The square root of 64880606 is about 8054.8498434173. The cubic root of 64880606 is about 401.8262452151.

The spelling of 64880606 in words is "sixty-four million, eight hundred eighty thousand, six hundred six".