79561334 has 4 divisors (see below), whose sum is σ = 119342004. Its totient is φ = 39780666.

The previous prime is 79561333. The next prime is 79561351. The reversal of 79561334 is 43316597.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43316597 = 1933 ⋅22409.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79561333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19890332 + ... + 19890335.

It is an arithmetic number, because the mean of its divisors is an integer number (29835501).

Almost surely, 2^79561334 is an apocalyptic number.

79561334 is a deficient number, since it is larger than the sum of its proper divisors (39780670).

79561334 is a wasteful number, since it uses less digits than its factorization.

79561334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39780669.

The product of its digits is 68040, while the sum is 38.

The square root of 79561334 is about 8919.7160268699. The cubic root of 79561334 is about 430.0979297416.

The spelling of 79561334 in words is "seventy-nine million, five hundred sixty-one thousand, three hundred thirty-four".