99859275 has 36 divisors (see below), whose sum is σ = 189387432. Its totient is φ = 50123520.

The previous prime is 99859273. The next prime is 99859289. The reversal of 99859275 is 57295899.

It is not a de Polignac number, because 99859275 - 2¹ = 99859273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (99859273) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 9229 + ... + 16878.

It is an arithmetic number, because the mean of its divisors is an integer number (5260762).

Almost surely, 2^99859275 is an apocalyptic number.

99859275 is a deficient number, since it is larger than the sum of its proper divisors (89528157).

99859275 is a wasteful number, since it uses less digits than its factorization.

99859275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26140 (or 26132 counting only the distinct ones).

The product of its digits is 2041200, while the sum is 54.

The square root of 99859275 is about 9992.9612728160. The cubic root of 99859275 is about 463.9410519520.

The spelling of 99859275 in words is "ninety-nine million, eight hundred fifty-nine thousand, two hundred seventy-five".