99885542 has 8 divisors (see below), whose sum is σ = 149873976. Its totient is φ = 49927552.

The previous prime is 99885521. The next prime is 99885547. The reversal of 99885542 is 24558899.

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

It is a nialpdrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99885547) 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, 4358 + ... + 14790.

It is an arithmetic number, because the mean of its divisors is an integer number (18734247).

Almost surely, 2^99885542 is an apocalyptic number.

99885542 is a deficient number, since it is larger than the sum of its proper divisors (49988434).

99885542 is a wasteful number, since it uses less digits than its factorization.

99885542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15222.

The product of its digits is 1036800, while the sum is 50.

The square root of 99885542 is about 9994.2754614829. The cubic root of 99885542 is about 463.9817267625.

The spelling of 99885542 in words is "ninety-nine million, eight hundred eighty-five thousand, five hundred forty-two".