79222697352 has 60 divisors (see below), whose sum is σ = 221916977205. Its totient is φ = 26405177472.

The previous prime is 79222697347. The next prime is 79222697353. The reversal of 79222697352 is 25379622297.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

79222697352 is a `hidden beast` number, since 7 + 9 + 22 + 269 + 7 + 352 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 70518926916 + 8703770436 = 265554^2 + 93294^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=199026.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (79222697353) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 7159408 + ... + 7170464.

Almost surely, 2^79222697352 is an apocalyptic number.

79222697352 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

79222697352 is an abundant number, since it is smaller than the sum of its proper divisors (142694279853).

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

79222697352 is an frugal number, since it uses more digits than its factorization.

79222697352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22132 (or 11062 counting only the distinct ones).

The product of its digits is 5715360, while the sum is 54.

The spelling of 79222697352 in words is "seventy-nine billion, two hundred twenty-two million, six hundred ninety-seven thousand, three hundred fifty-two".