7979488742 has 8 divisors (see below), whose sum is σ = 11970348600. Its totient is φ = 3989372544.

The previous prime is 7979488721. The next prime is 7979488793. The reversal of 7979488742 is 2478849797.

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

It is a congruent number.

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, 158267 + ... + 202502.

It is an arithmetic number, because the mean of its divisors is an integer number (1496293575).

Almost surely, 2^7979488742 is an apocalyptic number.

7979488742 is a deficient number, since it is larger than the sum of its proper divisors (3990859858).

7979488742 is a wasteful number, since it uses less digits than its factorization.

7979488742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371830.

The product of its digits is 56899584, while the sum is 65.

The square root of 7979488742 is about 89327.9840923325. The cubic root of 7979488742 is about 1998.2892656111.

The spelling of 7979488742 in words is "seven billion, nine hundred seventy-nine million, four hundred eighty-eight thousand, seven hundred forty-two".