7797953 has 2 divisors, whose sum is σ = 7797954. Its totient is φ = 7797952.

The previous prime is 7797919. The next prime is 7797983. The reversal of 7797953 is 3597977.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5276209 + 2521744 = 2297^2 + 1588^2 .

It is an emirp because it is prime and its reverse (3597977) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7797953 - 2⁸ = 7797697 is a prime.

It is a plaindrome in base 11.

It is a junction number, because it is equal to n+sod(n) for n = 7797898 and 7797907.

It is not a weakly prime, because it can be changed into another prime (7797983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3898976 + 3898977.

It is an arithmetic number, because the mean of its divisors is an integer number (3898977).

Almost surely, 2^7797953 is an apocalyptic number.

It is an amenable number.

7797953 is a deficient number, since it is larger than the sum of its proper divisors (1).

7797953 is an equidigital number, since it uses as much as digits as its factorization.

7797953 is an evil number, because the sum of its binary digits is even.

The product of its digits is 416745, while the sum is 47.

The square root of 7797953 is about 2792.4815129200. The cubic root of 7797953 is about 198.3018980536.

The spelling of 7797953 in words is "seven million, seven hundred ninety-seven thousand, nine hundred fifty-three".