76813105315 has 4 divisors (see below), whose sum is σ = 92175726384. Its totient is φ = 61450484248.

The previous prime is 76813105309. The next prime is 76813105319. The reversal of 76813105315 is 51350131867.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 51350131867 = 23 ⋅2232614429.

It is a cyclic number.

It is not a de Polignac number, because 76813105315 - 2⁹ = 76813104803 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (76813105319) 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, 7681310527 + ... + 7681310536.

It is an arithmetic number, because the mean of its divisors is an integer number (23043931596).

Almost surely, 2^76813105315 is an apocalyptic number.

76813105315 is a deficient number, since it is larger than the sum of its proper divisors (15362621069).

76813105315 is a wasteful number, since it uses less digits than its factorization.

76813105315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15362621068.

The product of its (nonzero) digits is 75600, while the sum is 40.

The spelling of 76813105315 in words is "seventy-six billion, eight hundred thirteen million, one hundred five thousand, three hundred fifteen".