99558701 has 16 divisors (see below), whose sum is σ = 114863616. Its totient is φ = 85440000.

The previous prime is 99558691. The next prime is 99558703. The reversal of 99558701 is 10785599.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 99558701 - 2⁶ = 99558637 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99558703) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10421 + ... + 17541.

It is an arithmetic number, because the mean of its divisors is an integer number (7178976).

Almost surely, 2^99558701 is an apocalyptic number.

It is an amenable number.

99558701 is a deficient number, since it is larger than the sum of its proper divisors (15304915).

99558701 is a wasteful number, since it uses less digits than its factorization.

99558701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7204.

The product of its (nonzero) digits is 113400, while the sum is 44.

The square root of 99558701 is about 9977.9106530375. The cubic root of 99558701 is about 463.4751003600.

The spelling of 99558701 in words is "ninety-nine million, five hundred fifty-eight thousand, seven hundred one".