99459867 has 8 divisors (see below), whose sum is σ = 142814224. Its totient is φ = 61206048.

The previous prime is 99459847. The next prime is 99459869. The reversal of 99459867 is 76895499.

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

It is not a de Polignac number, because 99459867 - 2⁶ = 99459803 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99459869) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1275088 + ... + 1275165.

It is an arithmetic number, because the mean of its divisors is an integer number (17851778).

Almost surely, 2^99459867 is an apocalyptic number.

99459867 is a deficient number, since it is larger than the sum of its proper divisors (43354357).

99459867 is a wasteful number, since it uses less digits than its factorization.

99459867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2550269.

The product of its digits is 4898880, while the sum is 57.

The square root of 99459867 is about 9972.9567832213. The cubic root of 99459867 is about 463.3216824472.

The spelling of 99459867 in words is "ninety-nine million, four hundred fifty-nine thousand, eight hundred sixty-seven".