76511975231 has 4 divisors (see below), whose sum is σ = 76539891864. Its totient is φ = 76484058600.

The previous prime is 76511975207. The next prime is 76511975261. The reversal of 76511975231 is 13257911567.

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 76511975231 - 2⁶ = 76511975167 is a prime.

It is a super-2 number, since 2×76511975231² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76511975261) 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, 13954205 + ... + 13959686.

It is an arithmetic number, because the mean of its divisors is an integer number (19134972966).

Almost surely, 2^76511975231 is an apocalyptic number.

76511975231 is a deficient number, since it is larger than the sum of its proper divisors (27916633).

76511975231 is a wasteful number, since it uses less digits than its factorization.

76511975231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27916632.

The product of its digits is 396900, while the sum is 47.

The spelling of 76511975231 in words is "seventy-six billion, five hundred eleven million, nine hundred seventy-five thousand, two hundred thirty-one".