98390923915 has 16 divisors (see below), whose sum is σ = 119207013120. Its totient is φ = 77954562400.

The previous prime is 98390923889. The next prime is 98390923927. The reversal of 98390923915 is 51932909389.

It is not a de Polignac number, because 98390923915 - 2⁹ = 98390923403 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 98390923915.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1964940 + ... + 2014390.

It is an arithmetic number, because the mean of its divisors is an integer number (7450438320).

Almost surely, 2^98390923915 is an apocalyptic number.

98390923915 is a deficient number, since it is larger than the sum of its proper divisors (20816089205).

98390923915 is a wasteful number, since it uses less digits than its factorization.

98390923915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53282.

The product of its (nonzero) digits is 4723920, while the sum is 58.

The spelling of 98390923915 in words is "ninety-eight billion, three hundred ninety million, nine hundred twenty-three thousand, nine hundred fifteen".