79876171852 has 6 divisors (see below), whose sum is σ = 139783300748. Its totient is φ = 39938085924.

The previous prime is 79876171849. The next prime is 79876171871. The reversal of 79876171852 is 25817167897.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9984521478 + ... + 9984521485.

Almost surely, 2^79876171852 is an apocalyptic number.

It is an amenable number.

79876171852 is a deficient number, since it is larger than the sum of its proper divisors (59907128896).

79876171852 is a wasteful number, since it uses less digits than its factorization.

79876171852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19969042967 (or 19969042965 counting only the distinct ones).

The product of its digits is 11854080, while the sum is 61.

The spelling of 79876171852 in words is "seventy-nine billion, eight hundred seventy-six million, one hundred seventy-one thousand, eight hundred fifty-two".