98879615 has 8 divisors (see below), whose sum is σ = 122483328. Its totient is φ = 76551840.

The previous prime is 98879603. The next prime is 98879621. The reversal of 98879615 is 51697889.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 98879615 - 2⁶ = 98879551 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 318812 + ... + 319121.

It is an arithmetic number, because the mean of its divisors is an integer number (15310416).

Almost surely, 2^98879615 is an apocalyptic number.

98879615 is a deficient number, since it is larger than the sum of its proper divisors (23603713).

98879615 is a wasteful number, since it uses less digits than its factorization.

98879615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 637969.

The product of its digits is 1088640, while the sum is 53.

The square root of 98879615 is about 9943.8229569919. The cubic root of 98879615 is about 462.4189134690.

The spelling of 98879615 in words is "ninety-eight million, eight hundred seventy-nine thousand, six hundred fifteen".