99455888 has 30 divisors (see below), whose sum is σ = 224158086. Its totient is φ = 42623616.

The previous prime is 99455869. The next prime is 99455891. The reversal of 99455888 is 88855499.

It can be written as a sum of positive squares in only one way, i.e., 99361024 + 94864 = 9968^2 + 308^2 .

It is a Harshad number since it is a multiple of its sum of digits (56).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 62645 + ... + 64212.

Almost surely, 2^99455888 is an apocalyptic number.

99455888 is a gapful number since it is divisible by the number (98) formed by its first and last digit.

It is an amenable number.

99455888 is an abundant number, since it is smaller than the sum of its proper divisors (124702198).

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

99455888 is a wasteful number, since it uses less digits than its factorization.

99455888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126879 (or 126866 counting only the distinct ones).

The product of its digits is 4147200, while the sum is 56.

The square root of 99455888 is about 9972.7572917423. The cubic root of 99455888 is about 463.3155038024.

The spelling of 99455888 in words is "ninety-nine million, four hundred fifty-five thousand, eight hundred eighty-eight".