99879941 has 8 divisors (see below), whose sum is σ = 120156480. Its totient is φ = 81105408.

The previous prime is 99879919. The next prime is 99879943. The reversal of 99879941 is 14997899.

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

It is a cyclic number.

It is not a de Polignac number, because 99879941 - 2¹⁸ = 99617797 is a prime.

It is a super-2 number, since 2×99879941² = 19952005228326962, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99879943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 375356 + ... + 375621.

It is an arithmetic number, because the mean of its divisors is an integer number (15019560).

Almost surely, 2^99879941 is an apocalyptic number.

It is an amenable number.

99879941 is a deficient number, since it is larger than the sum of its proper divisors (20276539).

99879941 is a wasteful number, since it uses less digits than its factorization.

99879941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 751003.

The product of its digits is 1469664, while the sum is 56.

The square root of 99879941 is about 9993.9952471472. The cubic root of 99879941 is about 463.9730541353.

The spelling of 99879941 in words is "ninety-nine million, eight hundred seventy-nine thousand, nine hundred forty-one".