98913687 has 4 divisors (see below), whose sum is σ = 131884920. Its totient is φ = 65942456.

The previous prime is 98913679. The next prime is 98913697. The reversal of 98913687 is 78631989.

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 98913687 - 2³ = 98913679 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98913637) 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, 16485612 + ... + 16485617.

It is an arithmetic number, because the mean of its divisors is an integer number (32971230).

Almost surely, 2^98913687 is an apocalyptic number.

98913687 is a deficient number, since it is larger than the sum of its proper divisors (32971233).

98913687 is a wasteful number, since it uses less digits than its factorization.

98913687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32971232.

The product of its digits is 653184, while the sum is 51.

The square root of 98913687 is about 9945.5360338194. The cubic root of 98913687 is about 462.4720209030.

The spelling of 98913687 in words is "ninety-eight million, nine hundred thirteen thousand, six hundred eighty-seven".