7679838091 has 4 divisors (see below), whose sum is σ = 7680527784. Its totient is φ = 7679148400.

The previous prime is 7679838079. The next prime is 7679838121. The reversal of 7679838091 is 1908389767.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1908389767 = 109 ⋅17508163.

It is a cyclic number.

It is not a de Polignac number, because 7679838091 - 2⁵ = 7679838059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7679838031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 327865 + ... + 350506.

It is an arithmetic number, because the mean of its divisors is an integer number (1920131946).

Almost surely, 2^7679838091 is an apocalyptic number.

7679838091 is a deficient number, since it is larger than the sum of its proper divisors (689693).

7679838091 is a wasteful number, since it uses less digits than its factorization.

7679838091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 689692.

The product of its (nonzero) digits is 4572288, while the sum is 58.

The square root of 7679838091 is about 87634.6854333374. The cubic root of 7679838091 is about 1972.9557947166.

The spelling of 7679838091 in words is "seven billion, six hundred seventy-nine million, eight hundred thirty-eight thousand, ninety-one".