993122879 has 8 divisors (see below), whose sum is σ = 1150546080. Its totient is φ = 839586816.

The previous prime is 993122873. The next prime is 993122887. The reversal of 993122879 is 978221399.

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 993122879 - 2²⁴ = 976345663 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 (993122873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 971234 + ... + 972255.

It is an arithmetic number, because the mean of its divisors is an integer number (143818260).

Almost surely, 2^993122879 is an apocalyptic number.

993122879 is a deficient number, since it is larger than the sum of its proper divisors (157423201).

993122879 is a wasteful number, since it uses less digits than its factorization.

993122879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1943569.

The product of its digits is 489888, while the sum is 50.

The square root of 993122879 is about 31513.8521764636. The cubic root of 993122879 is about 997.7023511865.

The spelling of 993122879 in words is "nine hundred ninety-three million, one hundred twenty-two thousand, eight hundred seventy-nine".