7896780799 has 2 divisors, whose sum is σ = 7896780800. Its totient is φ = 7896780798.

The previous prime is 7896780743. The next prime is 7896780883. The reversal of 7896780799 is 9970876987.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7896780799 - 2¹⁵ = 7896748031 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7896760799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3948390399 + 3948390400.

It is an arithmetic number, because the mean of its divisors is an integer number (3948390400).

Almost surely, 2^7896780799 is an apocalyptic number.

7896780799 is a deficient number, since it is larger than the sum of its proper divisors (1).

7896780799 is an equidigital number, since it uses as much as digits as its factorization.

7896780799 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96018048, while the sum is 70.

The square root of 7896780799 is about 88863.8329074320. The cubic root of 7896780799 is about 1991.3611386807.

The spelling of 7896780799 in words is "seven billion, eight hundred ninety-six million, seven hundred eighty thousand, seven hundred ninety-nine".