99876290 has 32 divisors (see below), whose sum is σ = 186624000. Its totient is φ = 38438848.

The previous prime is 99876277. The next prime is 99876299. The reversal of 99876290 is 9267899.

99876290 = T₁₂₅ + T₁₂₆ + ... + T₈₄₃.

It is not an unprimeable number, because it can be changed into a prime (99876299) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 138551 + ... + 139269.

It is an arithmetic number, because the mean of its divisors is an integer number (5832000).

Almost surely, 2^99876290 is an apocalyptic number.

99876290 is a deficient number, since it is larger than the sum of its proper divisors (86747710).

99876290 is a wasteful number, since it uses less digits than its factorization.

99876290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1234.

The product of its (nonzero) digits is 489888, while the sum is 50.

The square root of 99876290 is about 9993.8125857953. The cubic root of 99876290 is about 463.9674007270.

The spelling of 99876290 in words is "ninety-nine million, eight hundred seventy-six thousand, two hundred ninety".