90717008926 has 16 divisors (see below), whose sum is σ = 139420291824. Its totient is φ = 44246309184.

The previous prime is 90717008911. The next prime is 90717008929. The reversal of 90717008926 is 62980071709.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 90717008926.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90717008929) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 615831 + ... + 748786.

It is an arithmetic number, because the mean of its divisors is an integer number (8713768239).

Almost surely, 2^90717008926 is an apocalyptic number.

90717008926 is a deficient number, since it is larger than the sum of its proper divisors (48703282898).

90717008926 is a wasteful number, since it uses less digits than its factorization.

90717008926 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1365435.

The product of its (nonzero) digits is 381024, while the sum is 49.

The spelling of 90717008926 in words is "ninety billion, seven hundred seventeen million, eight thousand, nine hundred twenty-six".