99243797 has 4 divisors (see below), whose sum is σ = 99418176. Its totient is φ = 99069420.

The previous prime is 99243763. The next prime is 99243799. The reversal of 99243797 is 79734299.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 99243797 - 2⁶ = 99243733 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99243799) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86333 + ... + 87474.

It is an arithmetic number, because the mean of its divisors is an integer number (24854544).

Almost surely, 2^99243797 is an apocalyptic number.

It is an amenable number.

99243797 is a deficient number, since it is larger than the sum of its proper divisors (174379).

99243797 is a wasteful number, since it uses less digits than its factorization.

99243797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174378.

The product of its digits is 857304, while the sum is 50.

The square root of 99243797 is about 9962.1180980753. The cubic root of 99243797 is about 462.9859272639.

The spelling of 99243797 in words is "ninety-nine million, two hundred forty-three thousand, seven hundred ninety-seven".