79398222082624 has 189 divisors, whose sum is σ = 167087762023833. Its totient is φ = 37431228916224.

The previous prime is 79398222082583. The next prime is 79398222082631. The reversal of 79398222082624 is 42628022289397.

The square root of 79398222082624 is 8910568.

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

It can be written as a sum of positive squares in only one way, i.e., 258836737600 + 79139385345024 = 508760^2 + 8896032^2 .

It is a Harshad number since it is a multiple of its sum of digits (64).

It is an unprimeable number.

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 26 ways as a sum of consecutive naturals, for example, 129524016142 + ... + 129524016754.

Almost surely, 2^{79398222082624} is an apocalyptic number.

79398222082624 is the 8910568-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 79398222082624

79398222082624 is an abundant number, since it is smaller than the sum of its proper divisors (87689539941209).

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

79398222082624 is an frugal number, since it uses more digits than its factorization.

79398222082624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1442 (or 717 counting only the distinct ones).

The product of its (nonzero) digits is 83607552, while the sum is 64.

79398222082624 divided by its sum of digits (64) gives a square (1240597220041 = 1113821²).

The spelling of 79398222082624 in words is "seventy-nine trillion, three hundred ninety-eight billion, two hundred twenty-two million, eighty-two thousand, six hundred twenty-four".