98885615 has 4 divisors (see below), whose sum is σ = 118662744. Its totient is φ = 79108488.

The previous prime is 98885609. The next prime is 98885627. The reversal of 98885615 is 51658889.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 51658889 = 29 ⋅1781341.

It is a cyclic number.

It is not a de Polignac number, because 98885615 - 2⁴ = 98885599 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 3 ways as a sum of consecutive naturals, for example, 9888557 + ... + 9888566.

It is an arithmetic number, because the mean of its divisors is an integer number (29665686).

Almost surely, 2^98885615 is an apocalyptic number.

98885615 is a deficient number, since it is larger than the sum of its proper divisors (19777129).

98885615 is a wasteful number, since it uses less digits than its factorization.

98885615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19777128.

The product of its digits is 691200, while the sum is 50.

The square root of 98885615 is about 9944.1246472477. The cubic root of 98885615 is about 462.4282664496.

The spelling of 98885615 in words is "ninety-eight million, eight hundred eighty-five thousand, six hundred fifteen".