7992115823 has 2 divisors, whose sum is σ = 7992115824. Its totient is φ = 7992115822.

The previous prime is 7992115819. The next prime is 7992115841. The reversal of 7992115823 is 3285112997.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7992115823 - 2² = 7992115819 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7992115853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3996057911 + 3996057912.

It is an arithmetic number, because the mean of its divisors is an integer number (3996057912).

Almost surely, 2^7992115823 is an apocalyptic number.

7992115823 is a deficient number, since it is larger than the sum of its proper divisors (1).

7992115823 is an equidigital number, since it uses as much as digits as its factorization.

7992115823 is an evil number, because the sum of its binary digits is even.

The product of its digits is 272160, while the sum is 47.

The square root of 7992115823 is about 89398.6343463926. The cubic root of 7992115823 is about 1999.3427692976.

The spelling of 7992115823 in words is "seven billion, nine hundred ninety-two million, one hundred fifteen thousand, eight hundred twenty-three".