99658871 has 8 divisors (see below), whose sum is σ = 110226144. Its totient is φ = 89506080.

The previous prime is 99658861. The next prime is 99658873. The reversal of 99658871 is 17885699.

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 99658871 - 2⁶ = 99658807 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99658873) 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, 103115 + ... + 104076.

It is an arithmetic number, because the mean of its divisors is an integer number (13778268).

Almost surely, 2^99658871 is an apocalyptic number.

99658871 is a deficient number, since it is larger than the sum of its proper divisors (10567273).

99658871 is a wasteful number, since it uses less digits than its factorization.

99658871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207241.

The product of its digits is 1088640, while the sum is 53.

The square root of 99658871 is about 9982.9289790121. The cubic root of 99658871 is about 463.6304885500.

The spelling of 99658871 in words is "ninety-nine million, six hundred fifty-eight thousand, eight hundred seventy-one".