99760212 has 18 divisors (see below), whose sum is σ = 252171738. Its totient is φ = 33253392.

The previous prime is 99760187. The next prime is 99760237. The reversal of 99760212 is 21206799.

It is an interprime number because it is at equal distance from previous prime (99760187) and next prime (99760237).

It can be written as a sum of positive squares in only one way, i.e., 53056656 + 46703556 = 7284^2 + 6834^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 2771117 = 99760212 / (9 + 9 + 7 + 6 + 0 + 2 + 1 + 2).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1385523 + ... + 1385594.

It is an arithmetic number, because the mean of its divisors is an integer number (14009541).

Almost surely, 2^99760212 is an apocalyptic number.

It is an amenable number.

99760212 is an abundant number, since it is smaller than the sum of its proper divisors (152411526).

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

99760212 is a wasteful number, since it uses less digits than its factorization.

99760212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2771127 (or 2771122 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The square root of 99760212 is about 9988.0034040843. The cubic root of 99760212 is about 463.7875873274.

The spelling of 99760212 in words is "ninety-nine million, seven hundred sixty thousand, two hundred twelve".