990717717100 has 36 divisors (see below), whose sum is σ = 2223990468000. Its totient is φ = 382622013760.

The previous prime is 990717717097. The next prime is 990717717113. The reversal of 990717717100 is 1717717099.

990717717100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 170810500 + ... + 170816299.

It is an arithmetic number, because the mean of its divisors is an integer number (61777513000).

Almost surely, 2^990717717100 is an apocalyptic number.

It is an amenable number.

990717717100 is an abundant number, since it is smaller than the sum of its proper divisors (1233272750900).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

990717717100 is a wasteful number, since it uses less digits than its factorization.

990717717100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341626842 (or 341626835 counting only the distinct ones).

The product of its (nonzero) digits is 194481, while the sum is 49.

The spelling of 990717717100 in words is "nine hundred ninety billion, seven hundred seventeen million, seven hundred seventeen thousand, one hundred".