99791597 has 8 divisors (see below), whose sum is σ = 101736000. Its totient is φ = 97855744.

The previous prime is 99791569. The next prime is 99791611. The reversal of 99791597 is 79519799.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 99791597 - 2¹⁸ = 99529453 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 (99791557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24608 + ... + 28374.

It is an arithmetic number, because the mean of its divisors is an integer number (12717000).

Almost surely, 2^99791597 is an apocalyptic number.

It is an amenable number.

99791597 is a deficient number, since it is larger than the sum of its proper divisors (1944403).

99791597 is a wasteful number, since it uses less digits than its factorization.

99791597 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4275.

The product of its digits is 1607445, while the sum is 56.

The square root of 99791597 is about 9989.5744153592. The cubic root of 99791597 is about 463.8362187639.

The spelling of 99791597 in words is "ninety-nine million, seven hundred ninety-one thousand, five hundred ninety-seven".