98904785031 has 24 divisors (see below), whose sum is σ = 154287793296. Its totient is φ = 60692037120.

The previous prime is 98904785003. The next prime is 98904785039. The reversal of 98904785031 is 13058740989.

98904785031 is a `hidden beast` number, since 9 + 8 + 90 + 47 + 8 + 503 + 1 = 666.

It is not a de Polignac number, because 98904785031 - 2²² = 98900590727 is a prime.

It is a super-2 number, since 2×98904785031² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98904785039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1156065 + ... + 1238666.

It is an arithmetic number, because the mean of its divisors is an integer number (6428658054).

Almost surely, 2^98904785031 is an apocalyptic number.

98904785031 is a deficient number, since it is larger than the sum of its proper divisors (55383008265).

98904785031 is a wasteful number, since it uses less digits than its factorization.

98904785031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2395103 (or 2395100 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 54.

The spelling of 98904785031 in words is "ninety-eight billion, nine hundred four million, seven hundred eighty-five thousand, thirty-one".