99137488 has 20 divisors (see below), whose sum is σ = 194947840. Its totient is φ = 48828384.

The previous prime is 99137471. The next prime is 99137503. The reversal of 99137488 is 88473199.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45168 + ... + 47311.

It is an arithmetic number, because the mean of its divisors is an integer number (9747392).

Almost surely, 2^99137488 is an apocalyptic number.

It is an amenable number.

99137488 is a deficient number, since it is larger than the sum of its proper divisors (95810352).

99137488 is a wasteful number, since it uses less digits than its factorization.

99137488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92554 (or 92548 counting only the distinct ones).

The product of its digits is 435456, while the sum is 49.

The square root of 99137488 is about 9956.7810059276. The cubic root of 99137488 is about 462.8205528445.

The spelling of 99137488 in words is "ninety-nine million, one hundred thirty-seven thousand, four hundred eighty-eight".