79189851 has 24 divisors (see below), whose sum is σ = 119321856. Its totient is φ = 46606560.

The previous prime is 79189849. The next prime is 79189871. The reversal of 79189851 is 15898197.

It is not a de Polignac number, because 79189851 - 2¹ = 79189849 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 79189851.

It is not an unprimeable number, because it can be changed into a prime (79189871) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8266 + ... + 15056.

It is an arithmetic number, because the mean of its divisors is an integer number (4971744).

Almost surely, 2^79189851 is an apocalyptic number.

79189851 is a deficient number, since it is larger than the sum of its proper divisors (40132005).

79189851 is a wasteful number, since it uses less digits than its factorization.

79189851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6843 (or 6830 counting only the distinct ones).

The product of its digits is 181440, while the sum is 48.

The square root of 79189851 is about 8898.8679617129. The cubic root of 79189851 is about 429.4274893932.

The spelling of 79189851 in words is "seventy-nine million, one hundred eighty-nine thousand, eight hundred fifty-one".