99868875 has 32 divisors (see below), whose sum is σ = 173422080. Its totient is φ = 50943200.

The previous prime is 99868871. The next prime is 99868963. The reversal of 99868875 is 57886899.

It is a happy number.

It is not a de Polignac number, because 99868875 - 2² = 99868871 is a prime.

It is not an unprimeable number, because it can be changed into a prime (99868871) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2836 + ... + 14414.

It is an arithmetic number, because the mean of its divisors is an integer number (5419440).

Almost surely, 2^99868875 is an apocalyptic number.

99868875 is a deficient number, since it is larger than the sum of its proper divisors (73553205).

99868875 is a wasteful number, since it uses less digits than its factorization.

99868875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11620 (or 11610 counting only the distinct ones).

The product of its digits is 8709120, while the sum is 60.

The square root of 99868875 is about 9993.4415993691. The cubic root of 99868875 is about 463.9559185109.

The spelling of 99868875 in words is "ninety-nine million, eight hundred sixty-eight thousand, eight hundred seventy-five".