64266895 has 32 divisors (see below), whose sum is σ = 97413120. Its totient is φ = 39536640.

The previous prime is 64266883. The next prime is 64266901. The reversal of 64266895 is 59866246.

It is not a de Polignac number, because 64266895 - 2⁵ = 64266863 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29359 + ... + 31471.

It is an arithmetic number, because the mean of its divisors is an integer number (3044160).

Almost surely, 2^64266895 is an apocalyptic number.

64266895 is a deficient number, since it is larger than the sum of its proper divisors (33146225).

64266895 is a wasteful number, since it uses less digits than its factorization.

64266895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2215.

The product of its digits is 622080, while the sum is 46.

The square root of 64266895 is about 8016.6635828130. The cubic root of 64266895 is about 400.5552601089. Note that the first 3 decimals are identical.

The spelling of 64266895 in words is "sixty-four million, two hundred sixty-six thousand, eight hundred ninety-five".