79769722 has 4 divisors (see below), whose sum is σ = 119654586. Its totient is φ = 39884860.

The previous prime is 79769719. The next prime is 79769759. The reversal of 79769722 is 22796797.

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

It can be written as a sum of positive squares in only one way, i.e., 68740681 + 11029041 = 8291^2 + 3321^2 .

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19942429 + ... + 19942432.

Almost surely, 2^79769722 is an apocalyptic number.

79769722 is a deficient number, since it is larger than the sum of its proper divisors (39884864).

79769722 is a wasteful number, since it uses less digits than its factorization.

79769722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39884863.

The product of its digits is 666792, while the sum is 49.

The square root of 79769722 is about 8931.3897014966. The cubic root of 79769722 is about 430.4731082595.

The spelling of 79769722 in words is "seventy-nine million, seven hundred sixty-nine thousand, seven hundred twenty-two".