64608885 has 24 divisors (see below), whose sum is σ = 122170464. Its totient is φ = 31325280.

The previous prime is 64608881. The next prime is 64608889. The reversal of 64608885 is 58880646.

It is an interprime number because it is at equal distance from previous prime (64608881) and next prime (64608889).

It is not a de Polignac number, because 64608885 - 2² = 64608881 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 64608885.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64608881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 64767 + ... + 65756.

It is an arithmetic number, because the mean of its divisors is an integer number (5090436).

Almost surely, 2^64608885 is an apocalyptic number.

It is an amenable number.

64608885 is a deficient number, since it is larger than the sum of its proper divisors (57561579).

64608885 is a wasteful number, since it uses less digits than its factorization.

64608885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130545 (or 130542 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 45.

The square root of 64608885 is about 8037.9652275934. The cubic root of 64608885 is about 401.2645087484.

The spelling of 64608885 in words is "sixty-four million, six hundred eight thousand, eight hundred eighty-five".