993742706879 has 8 divisors (see below), whose sum is σ = 1077271769952. Its totient is φ = 911226117600.

The previous prime is 993742706837. The next prime is 993742706917. The reversal of 993742706879 is 978607247399.

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 993742706879 - 2²⁰ = 993741658303 is a prime.

It is a super-2 number, since 2×993742706879² (a number of 25 digits) 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 (993742706179) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 253116404 + ... + 253120329.

It is an arithmetic number, because the mean of its divisors is an integer number (134658971244).

Almost surely, 2^993742706879 is an apocalyptic number.

993742706879 is a deficient number, since it is larger than the sum of its proper divisors (83529063073).

993742706879 is a wasteful number, since it uses less digits than its factorization.

993742706879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506236897.

The product of its (nonzero) digits is 288054144, while the sum is 71.

The spelling of 993742706879 in words is "nine hundred ninety-three billion, seven hundred forty-two million, seven hundred six thousand, eight hundred seventy-nine".