76634077798511 has 4 divisors (see below), whose sum is σ = 76634099745000. Its totient is φ = 76634055852024.

The previous prime is 76634077798493. The next prime is 76634077798517. The reversal of 76634077798511 is 11589777043667.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 76634077798511 - 2²⁶ = 76634010689647 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76634077798517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4438121 + ... + 13151618.

It is an arithmetic number, because the mean of its divisors is an integer number (19158524936250).

Almost surely, 2^{76634077798511} is an apocalyptic number.

76634077798511 is a deficient number, since it is larger than the sum of its proper divisors (21946489).

76634077798511 is a wasteful number, since it uses less digits than its factorization.

76634077798511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21946488.

The product of its (nonzero) digits is 373403520, while the sum is 71.

The spelling of 76634077798511 in words is "seventy-six trillion, six hundred thirty-four billion, seventy-seven million, seven hundred ninety-eight thousand, five hundred eleven".