99124877894 has 32 divisors (see below), whose sum is σ = 170590924800. Its totient is φ = 42316716960.

The previous prime is 99124877849. The next prime is 99124877947. The reversal of 99124877894 is 49877842199.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4718987 + ... + 4739945.

It is an arithmetic number, because the mean of its divisors is an integer number (5330966400).

Almost surely, 2^99124877894 is an apocalyptic number.

99124877894 is a deficient number, since it is larger than the sum of its proper divisors (71466046906).

99124877894 is a wasteful number, since it uses less digits than its factorization.

99124877894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22268.

The product of its digits is 73156608, while the sum is 68.

The spelling of 99124877894 in words is "ninety-nine billion, one hundred twenty-four million, eight hundred seventy-seven thousand, eight hundred ninety-four".