76719073085 has 4 divisors (see below), whose sum is σ = 92062887708. Its totient is φ = 61375258464.

The previous prime is 76719073061. The next prime is 76719073099. The reversal of 76719073085 is 58037091767.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 58037091767 = 149 ⋅389510683.

It can be written as a sum of positive squares in 2 ways, for example, as 57290337316 + 19428735769 = 239354^2 + 139387^2 .

It is a cyclic number.

It is not a de Polignac number, because 76719073085 - 2⁶ = 76719073021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 7671907304 + ... + 7671907313.

It is an arithmetic number, because the mean of its divisors is an integer number (23015721927).

Almost surely, 2^76719073085 is an apocalyptic number.

It is an amenable number.

76719073085 is a deficient number, since it is larger than the sum of its proper divisors (15343814623).

76719073085 is a wasteful number, since it uses less digits than its factorization.

76719073085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15343814622.

The product of its (nonzero) digits is 2222640, while the sum is 53.

The spelling of 76719073085 in words is "seventy-six billion, seven hundred nineteen million, seventy-three thousand, eighty-five".