76634146717 has 4 divisors (see below), whose sum is σ = 80667522880. Its totient is φ = 72600770556.

The previous prime is 76634146681. The next prime is 76634146727. The reversal of 76634146717 is 71764143667.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-76634146717 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 (76634146727) 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 in 3 ways as a sum of consecutive naturals, for example, 2016688053 + ... + 2016688090.

It is an arithmetic number, because the mean of its divisors is an integer number (20166880720).

Almost surely, 2^76634146717 is an apocalyptic number.

It is an amenable number.

76634146717 is a deficient number, since it is larger than the sum of its proper divisors (4033376163).

76634146717 is a wasteful number, since it uses less digits than its factorization.

76634146717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4033376162.

The product of its digits is 3556224, while the sum is 52.

The spelling of 76634146717 in words is "seventy-six billion, six hundred thirty-four million, one hundred forty-six thousand, seven hundred seventeen".