98992879 has 4 divisors (see below), whose sum is σ = 99058176. Its totient is φ = 98927584.

The previous prime is 98992877. The next prime is 98992903. The reversal of 98992879 is 97829989.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 98992879 - 2¹ = 98992877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98992877) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30319 + ... + 33424.

It is an arithmetic number, because the mean of its divisors is an integer number (24764544).

Almost surely, 2^98992879 is an apocalyptic number.

98992879 is a deficient number, since it is larger than the sum of its proper divisors (65297).

98992879 is a wasteful number, since it uses less digits than its factorization.

98992879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65296.

The product of its digits is 5878656, while the sum is 61.

The square root of 98992879 is about 9949.5165209170. The cubic root of 98992879 is about 462.5954089995.

The spelling of 98992879 in words is "ninety-eight million, nine hundred ninety-two thousand, eight hundred seventy-nine".