99955888 has 10 divisors (see below), whose sum is σ = 193664564. Its totient is φ = 49977936.

The previous prime is 99955879. The next prime is 99955897. The reversal of 99955888 is 88855999.

It is an interprime number because it is at equal distance from previous prime (99955879) and next prime (99955897).

It is a zygodrome in base 10.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3123606 + ... + 3123637.

Almost surely, 2^99955888 is an apocalyptic number.

It is an amenable number.

99955888 is a deficient number, since it is larger than the sum of its proper divisors (93708676).

99955888 is a wasteful number, since it uses less digits than its factorization.

99955888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6247251 (or 6247245 counting only the distinct ones).

The product of its digits is 9331200, while the sum is 61.

The square root of 99955888 is about 9997.7941567128. The cubic root of 99955888 is about 464.0906234011.

The spelling of 99955888 in words is "ninety-nine million, nine hundred fifty-five thousand, eight hundred eighty-eight".