979999999994 has 8 divisors (see below), whose sum is σ = 1471495425120. Its totient is φ = 489501524956.

The previous prime is 979999999919. The next prime is 980000000009. The reversal of 979999999994 is 499999999979.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 979999999894 and 979999999903.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 249235064 + ... + 249238995.

It is an arithmetic number, because the mean of its divisors is an integer number (183936928140).

Almost surely, 2^979999999994 is an apocalyptic number.

979999999994 is a deficient number, since it is larger than the sum of its proper divisors (491495425126).

979999999994 is a wasteful number, since it uses less digits than its factorization.

979999999994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 498475044.

The product of its digits is 97629963228, while the sum is 101.

The spelling of 979999999994 in words is "nine hundred seventy-nine billion, nine hundred ninety-nine million, nine hundred ninety-nine thousand, nine hundred ninety-four".