99237889 has 8 divisors (see below), whose sum is σ = 101259072. Its totient is φ = 97222320.

The previous prime is 99237881. The next prime is 99237949. The reversal of 99237889 is 98873299.

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 99237889 - 2³ = 99237881 is a prime.

It is a super-2 number, since 2×99237889² = 19696317226352642, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99237881) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64054 + ... + 65584.

It is an arithmetic number, because the mean of its divisors is an integer number (12657384).

It is a Proth number, since it is equal to 6057 ⋅ 2¹⁴ + 1 and 6057 < 2¹⁴.

Almost surely, 2^99237889 is an apocalyptic number.

It is an amenable number.

99237889 is a deficient number, since it is larger than the sum of its proper divisors (2021183).

99237889 is a wasteful number, since it uses less digits than its factorization.

99237889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2807.

The product of its digits is 1959552, while the sum is 55.

The square root of 99237889 is about 9961.8215703756. The cubic root of 99237889 is about 462.9767398715.

The spelling of 99237889 in words is "ninety-nine million, two hundred thirty-seven thousand, eight hundred eighty-nine".