7879663983 has 8 divisors (see below), whose sum is σ = 11059177600. Its totient is φ = 4976629848.

The previous prime is 7879663963. The next prime is 7879663991. The reversal of 7879663983 is 3893669787.

It is a happy number.

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

It is not a de Polignac number, because 7879663983 - 2¹⁸ = 7879401839 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 (7879663903) 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, 69119803 + ... + 69119916.

It is an arithmetic number, because the mean of its divisors is an integer number (1382397200).

Almost surely, 2^7879663983 is an apocalyptic number.

7879663983 is a deficient number, since it is larger than the sum of its proper divisors (3179513617).

7879663983 is a wasteful number, since it uses less digits than its factorization.

7879663983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138239741.

The product of its digits is 82301184, while the sum is 66.

The square root of 7879663983 is about 88767.4714239400. The cubic root of 7879663983 is about 1989.9212937399.

The spelling of 7879663983 in words is "seven billion, eight hundred seventy-nine million, six hundred sixty-three thousand, nine hundred eighty-three".