99766692 has 18 divisors (see below), whose sum is σ = 252188118. Its totient is φ = 33255552.

The previous prime is 99766687. The next prime is 99766697. The reversal of 99766692 is 29666799.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (99766687) and next prime (99766697).

It can be written as a sum of positive squares in only one way, i.e., 99680256 + 86436 = 9984^2 + 294^2 .

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

It is not an unprimeable number, because it can be changed into a prime (99766697) by changing a digit.

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, 1385613 + ... + 1385684.

It is an arithmetic number, because the mean of its divisors is an integer number (14010451).

Almost surely, 2^99766692 is an apocalyptic number.

It is an amenable number.

99766692 is an abundant number, since it is smaller than the sum of its proper divisors (152421426).

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

99766692 is a wasteful number, since it uses less digits than its factorization.

99766692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2771307 (or 2771302 counting only the distinct ones).

The product of its digits is 2204496, while the sum is 54.

The square root of 99766692 is about 9988.3277879733. The cubic root of 99766692 is about 463.7976290011.

The spelling of 99766692 in words is "ninety-nine million, seven hundred sixty-six thousand, six hundred ninety-two".