64836899 has 2 divisors, whose sum is σ = 64836900. Its totient is φ = 64836898.

The previous prime is 64836883. The next prime is 64836907. The reversal of 64836899 is 99863846.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 64836899 - 2⁴ = 64836883 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 64836899.

It is not a weakly prime, because it can be changed into another prime (64836809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32418449 + 32418450.

It is an arithmetic number, because the mean of its divisors is an integer number (32418450).

Almost surely, 2^64836899 is an apocalyptic number.

64836899 is a deficient number, since it is larger than the sum of its proper divisors (1).

64836899 is an equidigital number, since it uses as much as digits as its factorization.

64836899 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2239488, while the sum is 53.

The square root of 64836899 is about 8052.1363003864. The cubic root of 64836899 is about 401.7359944917.

The spelling of 64836899 in words is "sixty-four million, eight hundred thirty-six thousand, eight hundred ninety-nine".