99459855 has 24 divisors (see below), whose sum is σ = 188070480. Its totient is φ = 48222720.

The previous prime is 99459847. The next prime is 99459869. The reversal of 99459855 is 55895499.

It is not a de Polignac number, because 99459855 - 2³ = 99459847 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 99970 + ... + 100959.

It is an arithmetic number, because the mean of its divisors is an integer number (7836270).

Almost surely, 2^99459855 is an apocalyptic number.

99459855 is a deficient number, since it is larger than the sum of its proper divisors (88610625).

99459855 is a wasteful number, since it uses less digits than its factorization.

99459855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200951 (or 200948 counting only the distinct ones).

The product of its digits is 2916000, while the sum is 54.

The square root of 99459855 is about 9972.9561815943. The cubic root of 99459855 is about 463.3216638137.

It can be divided in two parts, 99 and 459855, that added together give a palindrome (459954).

The spelling of 99459855 in words is "ninety-nine million, four hundred fifty-nine thousand, eight hundred fifty-five".