64095999 has 12 divisors (see below), whose sum is σ = 93937368. Its totient is φ = 38845840.

The previous prime is 64095991. The next prime is 64096013. The reversal of 64095999 is 99959046.

It is not a de Polignac number, because 64095999 - 2³ = 64095991 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64095991) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 87924 + ... + 88649.

It is an arithmetic number, because the mean of its divisors is an integer number (7828114).

Almost surely, 2^64095999 is an apocalyptic number.

64095999 is a deficient number, since it is larger than the sum of its proper divisors (29841369).

64095999 is a wasteful number, since it uses less digits than its factorization.

64095999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176598 (or 176587 counting only the distinct ones).

The product of its (nonzero) digits is 787320, while the sum is 51.

The square root of 64095999 is about 8005.9976892327. The cubic root of 64095999 is about 400.1998980020.

The spelling of 64095999 in words is "sixty-four million, ninety-five thousand, nine hundred ninety-nine".