76365721951 has 2 divisors, whose sum is σ = 76365721952. Its totient is φ = 76365721950.

The previous prime is 76365721931. The next prime is 76365721961. The reversal of 76365721951 is 15912756367.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-76365721951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (76365721921) 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, 38182860975 + 38182860976.

It is an arithmetic number, because the mean of its divisors is an integer number (38182860976).

Almost surely, 2^76365721951 is an apocalyptic number.

76365721951 is a deficient number, since it is larger than the sum of its proper divisors (1).

76365721951 is an equidigital number, since it uses as much as digits as its factorization.

76365721951 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2381400, while the sum is 52.

The spelling of 76365721951 in words is "seventy-six billion, three hundred sixty-five million, seven hundred twenty-one thousand, nine hundred fifty-one".