79242250000 has 105 divisors (see below), whose sum is σ = 192253847713. Its totient is φ = 31640600000.

The previous prime is 79242249979. The next prime is 79242250001. The reversal of 79242250000 is 5224297.

The square root of 79242250000 is 281500.

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

It can be written as a sum of positive squares in 3 ways, for example, as 69423818256 + 9818431744 = 263484^2 + 99088^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79242250001) by changing a digit.

It is a polite number, since it can be written in 20 ways as a sum of consecutive naturals, for example, 140749719 + ... + 140750281.

Almost surely, 2^79242250000 is an apocalyptic number.

79242250000 is the 281500-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 79242250000

79242250000 is an abundant number, since it is smaller than the sum of its proper divisors (113011597713).

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

79242250000 is an frugal number, since it uses more digits than its factorization.

79242250000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1164 (or 570 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 31.

Adding to 79242250000 its reverse (5224297), we get a palindrome (79247474297).

The spelling of 79242250000 in words is "seventy-nine billion, two hundred forty-two million, two hundred fifty thousand".