99687996 has 60 divisors (see below), whose sum is σ = 261702672. Its totient is φ = 33089472.

The previous prime is 99687989. The next prime is 99688007. The reversal of 99687996 is 69978699.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 100921 + ... + 101903.

Almost surely, 2^99687996 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 99687996, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130851336).

99687996 is an abundant number, since it is smaller than the sum of its proper divisors (162014676).

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

99687996 is a wasteful number, since it uses less digits than its factorization.

99687996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1312 (or 1301 counting only the distinct ones).

The product of its digits is 13226976, while the sum is 63.

The square root of 99687996 is about 9984.3876126681. The cubic root of 99687996 is about 463.6756490146.

The spelling of 99687996 in words is "ninety-nine million, six hundred eighty-seven thousand, nine hundred ninety-six".