99606872 has 8 divisors (see below), whose sum is σ = 186762900. Its totient is φ = 49803432.

The previous prime is 99606869. The next prime is 99606883. The reversal of 99606872 is 27860699.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6225422 + ... + 6225437.

Almost surely, 2^99606872 is an apocalyptic number.

It is an amenable number.

99606872 is a deficient number, since it is larger than the sum of its proper divisors (87156028).

99606872 is a wasteful number, since it uses less digits than its factorization.

99606872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12450865 (or 12450861 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 47.

The square root of 99606872 is about 9980.3242432298. The cubic root of 99606872 is about 463.5498383755.

The spelling of 99606872 in words is "ninety-nine million, six hundred six thousand, eight hundred seventy-two".