64652879 has 2 divisors, whose sum is σ = 64652880. Its totient is φ = 64652878.

The previous prime is 64652869. The next prime is 64652897. The reversal of 64652879 is 97825646.

Together with next prime (64652897) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 64652879 - 2¹⁶ = 64587343 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64652869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32326439 + 32326440.

It is an arithmetic number, because the mean of its divisors is an integer number (32326440).

Almost surely, 2^64652879 is an apocalyptic number.

64652879 is a deficient number, since it is larger than the sum of its proper divisors (1).

64652879 is an equidigital number, since it uses as much as digits as its factorization.

64652879 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 725760, while the sum is 47.

The square root of 64652879 is about 8040.7013997536. The cubic root of 64652879 is about 401.3555654993.

The spelling of 64652879 in words is "sixty-four million, six hundred fifty-two thousand, eight hundred seventy-nine".