90764697289 has 12 divisors (see below), whose sum is σ = 111140446800. Its totient is φ = 73703663208.

The previous prime is 90764697239. The next prime is 90764697307. The reversal of 90764697289 is 98279646709.

It is not a de Polignac number, because 90764697289 - 2⁹ = 90764696777 is a prime.

It is not an unprimeable number, because it can be changed into a prime (90764697239) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48744879 + ... + 48746740.

It is an arithmetic number, because the mean of its divisors is an integer number (9261703900).

Almost surely, 2^90764697289 is an apocalyptic number.

It is an amenable number.

90764697289 is a deficient number, since it is larger than the sum of its proper divisors (20375749511).

90764697289 is a wasteful number, since it uses less digits than its factorization.

90764697289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97491652 (or 97491645 counting only the distinct ones).

The product of its (nonzero) digits is 82301184, while the sum is 67.

The spelling of 90764697289 in words is "ninety billion, seven hundred sixty-four million, six hundred ninety-seven thousand, two hundred eighty-nine".