99542658 has 8 divisors (see below), whose sum is σ = 199085328. Its totient is φ = 33180884.

The previous prime is 99542621. The next prime is 99542659. The reversal of 99542658 is 85624599.

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

99542658 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (99542659) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8295216 + ... + 8295227.

It is an arithmetic number, because the mean of its divisors is an integer number (24885666).

Almost surely, 2^99542658 is an apocalyptic number.

99542658 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

99542658 is a wasteful number, since it uses less digits than its factorization.

99542658 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16590448.

The product of its digits is 777600, while the sum is 48.

The square root of 99542658 is about 9977.1066948289. The cubic root of 99542658 is about 463.4502040580.

The spelling of 99542658 in words is "ninety-nine million, five hundred forty-two thousand, six hundred fifty-eight".