99951488 has 64 divisors (see below), whose sum is σ = 245101920. Its totient is φ = 39536640.

The previous prime is 99951451. The next prime is 99951497. The reversal of 99951488 is 88415999.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7358 + ... + 15938.

Almost surely, 2^99951488 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99951488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122550960).

99951488 is an abundant number, since it is smaller than the sum of its proper divisors (145150432).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

99951488 is a wasteful number, since it uses less digits than its factorization.

99951488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8615 (or 8603 counting only the distinct ones).

The product of its digits is 933120, while the sum is 53.

The square root of 99951488 is about 9997.5741057519. The cubic root of 99951488 is about 464.0838136349.

The spelling of 99951488 in words is "ninety-nine million, nine hundred fifty-one thousand, four hundred eighty-eight".