79066651 has 4 divisors (see below), whose sum is σ = 79540272. Its totient is φ = 78593032.

The previous prime is 79066649. The next prime is 79066661. The reversal of 79066651 is 15666097.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 79066651 - 2¹ = 79066649 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79066661) 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, 236560 + ... + 236893.

It is an arithmetic number, because the mean of its divisors is an integer number (19885068).

Almost surely, 2^79066651 is an apocalyptic number.

79066651 is a deficient number, since it is larger than the sum of its proper divisors (473621).

79066651 is a wasteful number, since it uses less digits than its factorization.

79066651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473620.

The product of its (nonzero) digits is 68040, while the sum is 40.

The square root of 79066651 is about 8891.9430385040. The cubic root of 79066651 is about 429.2046791646.

The spelling of 79066651 in words is "seventy-nine million, sixty-six thousand, six hundred fifty-one".