7909197244 has 12 divisors (see below), whose sum is σ = 14905794904. Its totient is φ = 3650398704.

The previous prime is 7909197227. The next prime is 7909197277. The reversal of 7909197244 is 4427919097.

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 Harshad number since it is a multiple of its sum of digits (52), and also a Moran number because the ratio is a prime number: 152099947 = 7909197244 / (7 + 9 + 0 + 9 + 1 + 9 + 7 + 2 + 4 + 4).

It is a junction number, because it is equal to n+sod(n) for n = 7909197191 and 7909197200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76049922 + ... + 76050025.

Almost surely, 2^7909197244 is an apocalyptic number.

It is an amenable number.

7909197244 is a deficient number, since it is larger than the sum of its proper divisors (6996597660).

7909197244 is a wasteful number, since it uses less digits than its factorization.

7909197244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152099964 (or 152099962 counting only the distinct ones).

The product of its (nonzero) digits is 1143072, while the sum is 52.

The square root of 7909197244 is about 88933.6676630397. The cubic root of 7909197244 is about 1992.4042928021.

The spelling of 7909197244 in words is "seven billion, nine hundred nine million, one hundred ninety-seven thousand, two hundred forty-four".