7995897799 has 2 divisors, whose sum is σ = 7995897800. Its totient is φ = 7995897798.

The previous prime is 7995897787. The next prime is 7995897817. The reversal of 7995897799 is 9977985997.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7995897799 - 2⁷ = 7995897671 is a prime.

It is a super-2 number, since 2×7995897799² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7995897779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3997948899 + 3997948900.

It is an arithmetic number, because the mean of its divisors is an integer number (3997948900).

Almost surely, 2^7995897799 is an apocalyptic number.

7995897799 is a deficient number, since it is larger than the sum of its proper divisors (1).

7995897799 is an equidigital number, since it uses as much as digits as its factorization.

7995897799 is an evil number, because the sum of its binary digits is even.

The product of its digits is 810152280, while the sum is 79.

The square root of 7995897799 is about 89419.7841587643. The cubic root of 7995897799 is about 1999.6580914693.

The spelling of 7995897799 in words is "seven billion, nine hundred ninety-five million, eight hundred ninety-seven thousand, seven hundred ninety-nine".