64885395 has 16 divisors (see below), whose sum is σ = 105520032. Its totient is φ = 34037760.

The previous prime is 64885367. The next prime is 64885397. The reversal of 64885395 is 59358846.

It is a happy number.

It is not a de Polignac number, because 64885395 - 2¹⁷ = 64754323 is a prime.

It is a super-2 number, since 2×64885395² = 8420228968612050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (64885397) 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, 34542 + ... + 36371.

It is an arithmetic number, because the mean of its divisors is an integer number (6595002).

Almost surely, 2^64885395 is an apocalyptic number.

64885395 is a deficient number, since it is larger than the sum of its proper divisors (40634637).

64885395 is a wasteful number, since it uses less digits than its factorization.

64885395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70982.

The product of its digits is 1036800, while the sum is 48.

The square root of 64885395 is about 8055.1471122507. The cubic root of 64885395 is about 401.8361315723.

The spelling of 64885395 in words is "sixty-four million, eight hundred eighty-five thousand, three hundred ninety-five".