79680851 has 8 divisors (see below), whose sum is σ = 83966400. Its totient is φ = 75404520.

The previous prime is 79680841. The next prime is 79680863. The reversal of 79680851 is 15808697.

It is a happy number.

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 79680851 - 2¹⁴ = 79664467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79680841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22256 + ... + 25586.

It is an arithmetic number, because the mean of its divisors is an integer number (10495800).

Almost surely, 2^79680851 is an apocalyptic number.

79680851 is a deficient number, since it is larger than the sum of its proper divisors (4285549).

79680851 is a wasteful number, since it uses less digits than its factorization.

79680851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4609.

The product of its (nonzero) digits is 120960, while the sum is 44.

The square root of 79680851 is about 8926.4131094186. The cubic root of 79680851 is about 430.3131862967.

The spelling of 79680851 in words is "seventy-nine million, six hundred eighty thousand, eight hundred fifty-one".