7157799379 has 8 divisors (see below), whose sum is σ = 7222845168. Its totient is φ = 7093044000.

The previous prime is 7157799373. The next prime is 7157799421. The reversal of 7157799379 is 9739977517.

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

It is a cyclic number.

It is not a de Polignac number, because 7157799379 - 2³ = 7157799371 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7157799379.

It is not an unprimeable number, because it can be changed into a prime (7157799371) 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, 22932 + ... + 121825.

It is an arithmetic number, because the mean of its divisors is an integer number (902855646).

Almost surely, 2^7157799379 is an apocalyptic number.

7157799379 is a deficient number, since it is larger than the sum of its proper divisors (65045789).

7157799379 is a wasteful number, since it uses less digits than its factorization.

7157799379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145205.

The product of its digits is 26254935, while the sum is 64.

The square root of 7157799379 is about 84603.7787513064. The cubic root of 7157799379 is about 1927.1987585456.

The spelling of 7157799379 in words is "seven billion, one hundred fifty-seven million, seven hundred ninety-nine thousand, three hundred seventy-nine".