79289966 has 8 divisors (see below), whose sum is σ = 135925680. Its totient is φ = 33981408.

The previous prime is 79289963. The next prime is 79290007. The reversal of 79289966 is 66998297.

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

It is a super-3 number, since 3×79289966³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79289963) 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 3 ways as a sum of consecutive naturals, for example, 2831771 + ... + 2831798.

It is an arithmetic number, because the mean of its divisors is an integer number (16990710).

Almost surely, 2^79289966 is an apocalyptic number.

79289966 is a deficient number, since it is larger than the sum of its proper divisors (56635714).

79289966 is a wasteful number, since it uses less digits than its factorization.

79289966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5663578.

The product of its digits is 2939328, while the sum is 56.

The square root of 79289966 is about 8904.4913386448. The cubic root of 79289966 is about 429.6083796959.

The spelling of 79289966 in words is "seventy-nine million, two hundred eighty-nine thousand, nine hundred sixty-six".