99788345 has 16 divisors (see below), whose sum is σ = 121540608. Its totient is φ = 78644160.

The previous prime is 99788321. The next prime is 99788363. The reversal of 99788345 is 54388799.

It is not a de Polignac number, because 99788345 - 2⁶ = 99788281 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105575 + ... + 106515.

It is an arithmetic number, because the mean of its divisors is an integer number (7596288).

Almost surely, 2^99788345 is an apocalyptic number.

It is an amenable number.

99788345 is a deficient number, since it is larger than the sum of its proper divisors (21752263).

99788345 is a wasteful number, since it uses less digits than its factorization.

99788345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1240.

The product of its digits is 2177280, while the sum is 53.

The square root of 99788345 is about 9989.4116443362. The cubic root of 99788345 is about 463.8311802242.

The spelling of 99788345 in words is "ninety-nine million, seven hundred eighty-eight thousand, three hundred forty-five".