79144318276 has 9 divisors (see below), whose sum is σ = 138503541631. Its totient is φ = 39571877812.

The previous prime is 79144318247. The next prime is 79144318277. The reversal of 79144318276 is 67281344197.

It is a happy number.

The square root of 79144318276 is 281326.

It is a perfect power (a square), and thus also a powerful number.

It is a super-2 number, since 2×79144318276² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79144318277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 492321 + ... + 632983.

Almost surely, 2^79144318276 is an apocalyptic number.

79144318276 is the 281326-th square number.

It is an amenable number.

79144318276 is a deficient number, since it is larger than the sum of its proper divisors (59359223355).

79144318276 is an frugal number, since it uses more digits than its factorization.

79144318276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281330 (or 140665 counting only the distinct ones).

The product of its digits is 2032128, while the sum is 52.

The spelling of 79144318276 in words is "seventy-nine billion, one hundred forty-four million, three hundred eighteen thousand, two hundred seventy-six".