79216564623748 has 12 divisors (see below), whose sum is σ = 146783634450012. Its totient is φ = 37278383352320.

The previous prime is 79216564623739. The next prime is 79216564623751. The reversal of 79216564623748 is 84732646561297.

It can be written as a sum of positive squares in 2 ways, for example, as 38388656356164 + 40827908267584 = 6195858^2 + 6389672^2 .

It is a super-2 number, since 2×79216564623748² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 582474739813 + ... + 582474739948.

It is an arithmetic number, because the mean of its divisors is an integer number (12231969537501).

Almost surely, 2^{79216564623748} is an apocalyptic number.

It is an amenable number.

79216564623748 is a deficient number, since it is larger than the sum of its proper divisors (67567069826264).

79216564623748 is a wasteful number, since it uses less digits than its factorization.

79216564623748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1164949479782 (or 1164949479780 counting only the distinct ones).

The product of its digits is 731566080, while the sum is 70.

The spelling of 79216564623748 in words is "seventy-nine trillion, two hundred sixteen billion, five hundred sixty-four million, six hundred twenty-three thousand, seven hundred forty-eight".