64876238 has 32 divisors (see below), whose sum is σ = 117144576. Its totient is φ = 26345088.

The previous prime is 64876193. The next prime is 64876243. The reversal of 64876238 is 83267846.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35495 + ... + 37277.

It is an arithmetic number, because the mean of its divisors is an integer number (3660768).

Almost surely, 2^64876238 is an apocalyptic number.

64876238 is a deficient number, since it is larger than the sum of its proper divisors (52268338).

64876238 is a wasteful number, since it uses less digits than its factorization.

64876238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1928.

The product of its digits is 387072, while the sum is 44.

The square root of 64876238 is about 8054.5786978588. The cubic root of 64876238 is about 401.8172275413.

The spelling of 64876238 in words is "sixty-four million, eight hundred seventy-six thousand, two hundred thirty-eight".