79218935852004 has 243 divisors, whose sum is σ = 221107590797457. Its totient is φ = 23904042619392.

The previous prime is 79218935851967. The next prime is 79218935852029. The reversal of 79218935852004 is 40025853981297.

The square root of 79218935852004 is 8900502.

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

79218935852004 is a `hidden beast` number, since 7 + 9 + 2 + 18 + 93 + 5 + 8 + 520 + 0 + 4 = 666.

It can be written as a sum of positive squares in 13 ways, for example, as 78205192956900 + 1013742895104 = 8843370^2 + 1006848^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 36794674192 + ... + 36794676344.

Almost surely, 2^{79218935852004} is an apocalyptic number.

79218935852004 is the 8900502-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 79218935852004

79218935852004 is an abundant number, since it is smaller than the sum of its proper divisors (141888654945453).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

79218935852004 is a wasteful number, since it uses less digits than its factorization.

79218935852004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4448 (or 2224 counting only the distinct ones).

The product of its (nonzero) digits is 43545600, while the sum is 63.

The spelling of 79218935852004 in words is "seventy-nine trillion, two hundred eighteen billion, nine hundred thirty-five million, eight hundred fifty-two thousand, four".