99471888 has 50 divisors (see below), whose sum is σ = 287904254. Its totient is φ = 33156864.

The previous prime is 99471877. The next prime is 99471899. The reversal of 99471888 is 88817499.

99471888 is a `hidden beast` number, since 99 + 471 + 8 + 88 = 666.

It is an interprime number because it is at equal distance from previous prime (99471877) and next prime (99471899).

It can be written as a sum of positive squares in only one way, i.e., 56070144 + 43401744 = 7488^2 + 6588^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 37081 + ... + 39672.

Almost surely, 2^99471888 is an apocalyptic number.

It is an amenable number.

99471888 is an abundant number, since it is smaller than the sum of its proper divisors (188432366).

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

99471888 is a wasteful number, since it uses less digits than its factorization.

99471888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76773 (or 76758 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 54.

The square root of 99471888 is about 9973.5594448522. The cubic root of 99471888 is about 463.3403478169.

The spelling of 99471888 in words is "ninety-nine million, four hundred seventy-one thousand, eight hundred eighty-eight".