7797238225 has 12 divisors (see below), whose sum is σ = 11049800704. Its totient is φ = 5346677520.

The previous prime is 7797238223. The next prime is 7797238237. The reversal of 7797238225 is 5228327977.

It is a happy number.

It is not a de Polignac number, because 7797238225 - 2¹ = 7797238223 is a prime.

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7797238223) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22277649 + ... + 22277998.

Almost surely, 2^7797238225 is an apocalyptic number.

It is an amenable number.

7797238225 is a deficient number, since it is larger than the sum of its proper divisors (3252562479).

7797238225 is a wasteful number, since it uses less digits than its factorization.

7797238225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44555664 (or 44555659 counting only the distinct ones).

The product of its digits is 2963520, while the sum is 52.

The square root of 7797238225 is about 88301.9718069761. The cubic root of 7797238225 is about 1982.9583896046.

The spelling of 7797238225 in words is "seven billion, seven hundred ninety-seven million, two hundred thirty-eight thousand, two hundred twenty-five".