98981875 has 10 divisors (see below), whose sum is σ = 123688532. Its totient is φ = 79185000.

The previous prime is 98981863. The next prime is 98981879. The reversal of 98981875 is 57818989.

It is not a de Polignac number, because 98981875 - 2¹³ = 98973683 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (98981879) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 78561 + ... + 79810.

Almost surely, 2^98981875 is an apocalyptic number.

98981875 is a deficient number, since it is larger than the sum of its proper divisors (24706657).

98981875 is an equidigital number, since it uses as much as digits as its factorization.

98981875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158391 (or 158376 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 55.

The square root of 98981875 is about 9948.9635138541. The cubic root of 98981875 is about 462.5782677379.

It can be divided in two parts, 98981 and 875, that added together give a square (99856 = 316²).

The spelling of 98981875 in words is "ninety-eight million, nine hundred eighty-one thousand, eight hundred seventy-five".