98978872 has 16 divisors (see below), whose sum is σ = 188731800. Its totient is φ = 48650400.

The previous prime is 98978861. The next prime is 98978881. The reversal of 98978872 is 27887989.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104379 + ... + 105322.

Almost surely, 2^98978872 is an apocalyptic number.

It is an amenable number.

98978872 is a deficient number, since it is larger than the sum of its proper divisors (89752928).

98978872 is a wasteful number, since it uses less digits than its factorization.

98978872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209766 (or 209762 counting only the distinct ones).

The product of its digits is 4064256, while the sum is 58.

The square root of 98978872 is about 9948.8125924655. The cubic root of 98978872 is about 462.5735896539.

It can be divided in two parts, 9897 and 8872, that added together give a square (18769 = 137²).

The spelling of 98978872 in words is "ninety-eight million, nine hundred seventy-eight thousand, eight hundred seventy-two".