76731152513441 has 4 divisors (see below), whose sum is σ = 81244749720132. Its totient is φ = 72217555306752.

The previous prime is 76731152513417. The next prime is 76731152513443. The reversal of 76731152513441 is 14431525113767.

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

It can be written as a sum of positive squares in 2 ways, for example, as 60433210254400 + 16297942259041 = 7773880^2 + 4037071^2 .

It is a cyclic number.

It is not a de Polignac number, because 76731152513441 - 2¹⁸ = 76731152251297 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 76731152513441.

It is not an unprimeable number, because it can be changed into a prime (76731152513443) 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, 2256798603320 + ... + 2256798603353.

It is an arithmetic number, because the mean of its divisors is an integer number (20311187430033).

Almost surely, 2^{76731152513441} is an apocalyptic number.

It is an amenable number.

76731152513441 is a deficient number, since it is larger than the sum of its proper divisors (4513597206691).

76731152513441 is a wasteful number, since it uses less digits than its factorization.

76731152513441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4513597206690.

The product of its digits is 2116800, while the sum is 50.

The spelling of 76731152513441 in words is "seventy-six trillion, seven hundred thirty-one billion, one hundred fifty-two million, five hundred thirteen thousand, four hundred forty-one".