7690979918 has 16 divisors (see below), whose sum is σ = 11728619856. Its totient is φ = 3781472640.

The previous prime is 7690979909. The next prime is 7690979927. The reversal of 7690979918 is 8199790967.

It is an interprime number because it is at equal distance from previous prime (7690979909) and next prime (7690979927).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 770105 + ... + 780027.

It is an arithmetic number, because the mean of its divisors is an integer number (733038741).

Almost surely, 2^7690979918 is an apocalyptic number.

7690979918 is a deficient number, since it is larger than the sum of its proper divisors (4037639938).

7690979918 is a wasteful number, since it uses less digits than its factorization.

7690979918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16339.

The product of its (nonzero) digits is 15431472, while the sum is 65.

The square root of 7690979918 is about 87698.2321258530. The cubic root of 7690979918 is about 1973.9094480734.

The spelling of 7690979918 in words is "seven billion, six hundred ninety million, nine hundred seventy-nine thousand, nine hundred eighteen".