79525779722 has 8 divisors (see below), whose sum is σ = 119443793700. Its totient is φ = 39711181824.

The previous prime is 79525779713. The next prime is 79525779733. The reversal of 79525779722 is 22797752597.

It can be written as a sum of positive squares in 2 ways, for example, as 68513586001 + 11012193721 = 261751^2 + 104939^2 .

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

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 25852097 + ... + 25855172.

Almost surely, 2^79525779722 is an apocalyptic number.

79525779722 is a deficient number, since it is larger than the sum of its proper divisors (39918013978).

79525779722 is a wasteful number, since it uses less digits than its factorization.

79525779722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51708040.

The product of its digits is 38896200, while the sum is 62.

The spelling of 79525779722 in words is "seventy-nine billion, five hundred twenty-five million, seven hundred seventy-nine thousand, seven hundred twenty-two".