99876212 has 12 divisors (see below), whose sum is σ = 182382816. Its totient is φ = 47766840.

The previous prime is 99876211. The next prime is 99876223. The reversal of 99876212 is 21267899.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99876211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 542714 + ... + 542897.

It is an arithmetic number, because the mean of its divisors is an integer number (15198568).

Almost surely, 2^99876212 is an apocalyptic number.

99876212 is a gapful number since it is divisible by the number (92) formed by its first and last digit.

It is an amenable number.

99876212 is a deficient number, since it is larger than the sum of its proper divisors (82506604).

99876212 is a wasteful number, since it uses less digits than its factorization.

99876212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1085638 (or 1085636 counting only the distinct ones).

The product of its digits is 108864, while the sum is 44.

The square root of 99876212 is about 9993.8086833799. The cubic root of 99876212 is about 463.9672799460.

The spelling of 99876212 in words is "ninety-nine million, eight hundred seventy-six thousand, two hundred twelve".