64796791 has 2 divisors, whose sum is σ = 64796792. Its totient is φ = 64796790.

The previous prime is 64796761. The next prime is 64796803. The reversal of 64796791 is 19769746.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 64796791 - 2⁷ = 64796663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64796761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32398395 + 32398396.

It is an arithmetic number, because the mean of its divisors is an integer number (32398396).

Almost surely, 2^64796791 is an apocalyptic number.

64796791 is a deficient number, since it is larger than the sum of its proper divisors (1).

64796791 is an equidigital number, since it uses as much as digits as its factorization.

64796791 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 571536, while the sum is 49.

The square root of 64796791 is about 8049.6453959165. The cubic root of 64796791 is about 401.6531396610.

The spelling of 64796791 in words is "sixty-four million, seven hundred ninety-six thousand, seven hundred ninety-one".