79133789 has 8 divisors (see below), whose sum is σ = 90838848. Its totient is φ = 67528800.

The previous prime is 79133773. The next prime is 79133797. The reversal of 79133789 is 98733197.

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 79133789 - 2⁴ = 79133773 is a prime.

It is a super-2 number, since 2×79133789² = 12524313122993042, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79133189) 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, 23312 + ... + 26489.

It is an arithmetic number, because the mean of its divisors is an integer number (11354856).

Almost surely, 2^79133789 is an apocalyptic number.

It is an amenable number.

79133789 is a deficient number, since it is larger than the sum of its proper divisors (11705059).

79133789 is a wasteful number, since it uses less digits than its factorization.

79133789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50035.

The product of its digits is 285768, while the sum is 47.

The square root of 79133789 is about 8895.7174527972. The cubic root of 79133789 is about 429.3261285623.

The spelling of 79133789 in words is "seventy-nine million, one hundred thirty-three thousand, seven hundred eighty-nine".