76089723521 has 16 divisors (see below), whose sum is σ = 87359845248. Its totient is φ = 64919817600.

The previous prime is 76089723511. The next prime is 76089723551. The reversal of 76089723521 is 12532798067.

It is a cyclic number.

It is not a de Polignac number, because 76089723521 - 2²² = 76085529217 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 76089723521.

It is not an unprimeable number, because it can be changed into a prime (76089723511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8037731 + ... + 8047191.

It is an arithmetic number, because the mean of its divisors is an integer number (5459990328).

Almost surely, 2^76089723521 is an apocalyptic number.

It is an amenable number.

76089723521 is a deficient number, since it is larger than the sum of its proper divisors (11270121727).

76089723521 is a wasteful number, since it uses less digits than its factorization.

76089723521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14632.

The product of its (nonzero) digits is 1270080, while the sum is 50.

The spelling of 76089723521 in words is "seventy-six billion, eighty-nine million, seven hundred twenty-three thousand, five hundred twenty-one".