90795478744 has 8 divisors (see below), whose sum is σ = 170241522660. Its totient is φ = 45397739368.

The previous prime is 90795478729. The next prime is 90795478801. The reversal of 90795478744 is 44787459709.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5674717414 + ... + 5674717429.

Almost surely, 2^90795478744 is an apocalyptic number.

It is an amenable number.

90795478744 is a deficient number, since it is larger than the sum of its proper divisors (79446043916).

90795478744 is a wasteful number, since it uses less digits than its factorization.

90795478744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11349434849 (or 11349434845 counting only the distinct ones).

The product of its (nonzero) digits is 71124480, while the sum is 64.

The spelling of 90795478744 in words is "ninety billion, seven hundred ninety-five million, four hundred seventy-eight thousand, seven hundred forty-four".