99625889 has 8 divisors (see below), whose sum is σ = 108998400. Its totient is φ = 90306000.

The previous prime is 99625879. The next prime is 99625901. The reversal of 99625889 is 98852699.

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 99625889 - 2¹² = 99621793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99625819) 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 7 ways as a sum of consecutive naturals, for example, 9137 + ... + 16814.

It is an arithmetic number, because the mean of its divisors is an integer number (13624800).

Almost surely, 2^99625889 is an apocalyptic number.

It is an amenable number.

99625889 is a deficient number, since it is larger than the sum of its proper divisors (9372511).

99625889 is a wasteful number, since it uses less digits than its factorization.

99625889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26311.

The product of its digits is 2799360, while the sum is 56.

The square root of 99625889 is about 9981.2769223181. The cubic root of 99625889 is about 463.5793368969.

It can be divided in two parts, 9962 and 5889, that added together give a palindrome (15851).

The spelling of 99625889 in words is "ninety-nine million, six hundred twenty-five thousand, eight hundred eighty-nine".