98779374 has 24 divisors (see below), whose sum is σ = 217532952. Its totient is φ = 32386320.

The previous prime is 98779363. The next prime is 98779391. The reversal of 98779374 is 47397789.

It is a self number, because there is not a number n which added to its sum of digits gives 98779374.

It is a congruent number.

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, 43884 + ... + 46079.

It is an arithmetic number, because the mean of its divisors is an integer number (9063873).

Almost surely, 2^98779374 is an apocalyptic number.

98779374 is an abundant number, since it is smaller than the sum of its proper divisors (118753578).

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

98779374 is a wasteful number, since it uses less digits than its factorization.

98779374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90032 (or 90029 counting only the distinct ones).

The product of its digits is 2667168, while the sum is 54.

The square root of 98779374 is about 9938.7813136219. The cubic root of 98779374 is about 462.2625987862.

The spelling of 98779374 in words is "ninety-eight million, seven hundred seventy-nine thousand, three hundred seventy-four".