98690405904 has 30 divisors (see below), whose sum is σ = 276196066926. Its totient is φ = 32896801920.

The previous prime is 98690405873. The next prime is 98690405941. The reversal of 98690405904 is 40950409689.

98690405904 is a `hidden beast` number, since 9 + 8 + 6 + 9 + 0 + 40 + 590 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 98688965904 + 1440000 = 314148^2 + 1200^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 342674877 + ... + 342675164.

Almost surely, 2^98690405904 is an apocalyptic number.

It is an amenable number.

98690405904 is an abundant number, since it is smaller than the sum of its proper divisors (177505661022).

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

98690405904 is a wasteful number, since it uses less digits than its factorization.

98690405904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 685350055 (or 685350046 counting only the distinct ones).

The product of its (nonzero) digits is 2799360, while the sum is 54.

The spelling of 98690405904 in words is "ninety-eight billion, six hundred ninety million, four hundred five thousand, nine hundred four".