98187690431 has 12 divisors (see below), whose sum is σ = 100980299952. Its totient is φ = 95470386048.

The previous prime is 98187690427. The next prime is 98187690457. The reversal of 98187690431 is 13409678189.

It is not a de Polignac number, because 98187690431 - 2² = 98187690427 is a prime.

It is a super-2 number, since 2×98187690431² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (56) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98187690481) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2102966 + ... + 2149148.

It is an arithmetic number, because the mean of its divisors is an integer number (8415024996).

Almost surely, 2^98187690431 is an apocalyptic number.

98187690431 is a deficient number, since it is larger than the sum of its proper divisors (2792609521).

98187690431 is a wasteful number, since it uses less digits than its factorization.

98187690431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47810 (or 47773 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 56.

The spelling of 98187690431 in words is "ninety-eight billion, one hundred eighty-seven million, six hundred ninety thousand, four hundred thirty-one".