99770112 has 108 divisors (see below), whose sum is σ = 309882664. Its totient is φ = 30689280.

The previous prime is 99770101. The next prime is 99770129. The reversal of 99770112 is 21107799.

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).

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 11 ways as a sum of consecutive naturals, for example, 28287 + ... + 31617.

Almost surely, 2^99770112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99770112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (154941332).

99770112 is an abundant number, since it is smaller than the sum of its proper divisors (210112552).

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

99770112 is a wasteful number, since it uses less digits than its factorization.

99770112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3366 (or 3349 counting only the distinct ones).

The product of its (nonzero) digits is 7938, while the sum is 36.

The square root of 99770112 is about 9988.4989863342. The cubic root of 99770112 is about 463.8029285981.

The spelling of 99770112 in words is "ninety-nine million, seven hundred seventy thousand, one hundred twelve".