99212766 has 16 divisors (see below), whose sum is σ = 198915600. Its totient is φ = 32989248.

The previous prime is 99212717. The next prime is 99212783. The reversal of 99212766 is 66721299.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 17761 + ... + 22668.

It is an arithmetic number, because the mean of its divisors is an integer number (12432225).

Almost surely, 2^99212766 is an apocalyptic number.

99212766 is an abundant number, since it is smaller than the sum of its proper divisors (99702834).

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

99212766 is a wasteful number, since it uses less digits than its factorization.

99212766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40843.

The product of its digits is 81648, while the sum is 42.

The square root of 99212766 is about 9960.5605263961. The cubic root of 99212766 is about 462.9376676098.

The spelling of 99212766 in words is "ninety-nine million, two hundred twelve thousand, seven hundred sixty-six".