99862875 has 80 divisors (see below), whose sum is σ = 212921280. Its totient is φ = 45619200.

The previous prime is 99862871. The next prime is 99862891. The reversal of 99862875 is 57826899.

It is a happy number.

99862875 is a `hidden beast` number, since 9 + 9 + 8 + 628 + 7 + 5 = 666.

It is not a de Polignac number, because 99862875 - 2² = 99862871 is a prime.

It is not an unprimeable number, because it can be changed into a prime (99862871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 70171 + ... + 71579.

It is an arithmetic number, because the mean of its divisors is an integer number (2661516).

Almost surely, 2^99862875 is an apocalyptic number.

99862875 is an abundant number, since it is smaller than the sum of its proper divisors (113058405).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

99862875 is a wasteful number, since it uses less digits than its factorization.

99862875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1443 (or 1424 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 54.

The square root of 99862875 is about 9993.1413979789. The cubic root of 99862875 is about 463.9466270233.

The spelling of 99862875 in words is "ninety-nine million, eight hundred sixty-two thousand, eight hundred seventy-five".