64514879 has 32 divisors (see below), whose sum is σ = 80317440. Its totient is φ = 51004800.

The previous prime is 64514867. The next prime is 64514893. The reversal of 64514879 is 97841546.

It is not a de Polignac number, because 64514879 - 2⁸ = 64514623 is a prime.

It is a super-2 number, since 2×64514879² = 8324339224769282, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64514819) 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 31 ways as a sum of consecutive naturals, for example, 194744 + ... + 195074.

It is an arithmetic number, because the mean of its divisors is an integer number (2509920).

Almost surely, 2^64514879 is an apocalyptic number.

64514879 is a deficient number, since it is larger than the sum of its proper divisors (15802561).

64514879 is a wasteful number, since it uses less digits than its factorization.

64514879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431.

The product of its digits is 241920, while the sum is 44.

The square root of 64514879 is about 8032.1154747675. The cubic root of 64514879 is about 401.0698008479.

The spelling of 64514879 in words is "sixty-four million, five hundred fourteen thousand, eight hundred seventy-nine".