7960081999 has 2 divisors, whose sum is σ = 7960082000. Its totient is φ = 7960081998.

The previous prime is 7960081933. The next prime is 7960082021. The reversal of 7960081999 is 9991800697.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7960081999 - 2¹¹ = 7960079951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7960001999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3980040999 + 3980041000.

It is an arithmetic number, because the mean of its divisors is an integer number (3980041000).

Almost surely, 2^7960081999 is an apocalyptic number.

7960081999 is a deficient number, since it is larger than the sum of its proper divisors (1).

7960081999 is an equidigital number, since it uses as much as digits as its factorization.

7960081999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2204496, while the sum is 58.

The square root of 7960081999 is about 89219.2916302298. The cubic root of 7960081999 is about 1996.6679517267.

The spelling of 7960081999 in words is "seven billion, nine hundred sixty million, eighty-one thousand, nine hundred ninety-nine".