99888877 has 8 divisors (see below), whose sum is σ = 109488672. Its totient is φ = 90375600.

The previous prime is 99888869. The next prime is 99888881. The reversal of 99888877 is 77888899.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 99888877 - 2³ = 99888869 is a prime.

It is a super-2 number, since 2×99888877² = 19955575496642258, which contains 22 as substring.

It is a Duffinian number.

It is a nialpdrome in base 10.

It is a zygodrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99888827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19198 + ... + 23839.

It is an arithmetic number, because the mean of its divisors is an integer number (13686084).

Almost surely, 2^99888877 is an apocalyptic number.

It is an amenable number.

99888877 is a deficient number, since it is larger than the sum of its proper divisors (9599795).

99888877 is a wasteful number, since it uses less digits than its factorization.

99888877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43259.

The product of its digits is 16257024, while the sum is 64.

The square root of 99888877 is about 9994.4423056016. The cubic root of 99888877 is about 463.9868905457.

The spelling of 99888877 in words is "ninety-nine million, eight hundred eighty-eight thousand, eight hundred seventy-seven".