64375807 has 2 divisors, whose sum is σ = 64375808. Its totient is φ = 64375806.

The previous prime is 64375783. The next prime is 64375823. The reversal of 64375807 is 70857346.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 64375807 - 2¹⁵ = 64343039 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 64375807.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64375847) by changing a digit.

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 as a sum of consecutive naturals, namely, 32187903 + 32187904.

It is an arithmetic number, because the mean of its divisors is an integer number (32187904).

Almost surely, 2^64375807 is an apocalyptic number.

64375807 is a deficient number, since it is larger than the sum of its proper divisors (1).

64375807 is an equidigital number, since it uses as much as digits as its factorization.

64375807 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 141120, while the sum is 40.

The square root of 64375807 is about 8023.4535581631. The cubic root of 64375807 is about 400.7814037763.

The spelling of 64375807 in words is "sixty-four million, three hundred seventy-five thousand, eight hundred seven".