99658801 has 4 divisors (see below), whose sum is σ = 108718704. Its totient is φ = 90598900.

The previous prime is 99658771. The next prime is 99658807. The reversal of 99658801 is 10885699.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 99658801 - 2¹³ = 99650609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99658807) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 4529935 + ... + 4529956.

It is an arithmetic number, because the mean of its divisors is an integer number (27179676).

Almost surely, 2^99658801 is an apocalyptic number.

99658801 is the 4465-th centered decagonal number.

It is an amenable number.

99658801 is a deficient number, since it is larger than the sum of its proper divisors (9059903).

99658801 is a wasteful number, since it uses less digits than its factorization.

99658801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9059902.

The product of its (nonzero) digits is 155520, while the sum is 46.

The square root of 99658801 is about 9982.9254730264. The cubic root of 99658801 is about 463.6303799992.

The spelling of 99658801 in words is "ninety-nine million, six hundred fifty-eight thousand, eight hundred one".