64827907 has 2 divisors, whose sum is σ = 64827908. Its totient is φ = 64827906.

The previous prime is 64827887. The next prime is 64827923. The reversal of 64827907 is 70972846.

64827907 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64827907 is a prime.

It is not a weakly prime, because it can be changed into another prime (64827407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32413953 + 32413954.

It is an arithmetic number, because the mean of its divisors is an integer number (32413954).

Almost surely, 2^64827907 is an apocalyptic number.

64827907 is a deficient number, since it is larger than the sum of its proper divisors (1).

64827907 is an equidigital number, since it uses as much as digits as its factorization.

64827907 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 169344, while the sum is 43.

The square root of 64827907 is about 8051.5779198863. The cubic root of 64827907 is about 401.7174218521.

The spelling of 64827907 in words is "sixty-four million, eight hundred twenty-seven thousand, nine hundred seven".