885979399 has 4 divisors (see below), whose sum is σ = 886690000. Its totient is φ = 885268800.

The previous prime is 885979387. The next prime is 885979421. The reversal of 885979399 is 993979588.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 885979399 - 2¹⁹ = 885455111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (885979309) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 353427 + ... + 355924.

It is an arithmetic number, because the mean of its divisors is an integer number (221672500).

Almost surely, 2^885979399 is an apocalyptic number.

885979399 is a deficient number, since it is larger than the sum of its proper divisors (710601).

885979399 is a wasteful number, since it uses less digits than its factorization.

885979399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 710600.

The product of its digits is 44089920, while the sum is 67.

The square root of 885979399 is about 29765.4060781976. The cubic root of 885979399 is about 960.4495142389.

The spelling of 885979399 in words is "eight hundred eighty-five million, nine hundred seventy-nine thousand, three hundred ninety-nine".