7863976499 has 4 divisors (see below), whose sum is σ = 7867651680. Its totient is φ = 7860301320.

The previous prime is 7863976489. The next prime is 7863976513. The reversal of 7863976499 is 9946793687.

7863976499 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9946793687 = 17 ⋅585105511.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7863976499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7863976469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1834379 + ... + 1838660.

It is an arithmetic number, because the mean of its divisors is an integer number (1966912920).

Almost surely, 2^7863976499 is an apocalyptic number.

7863976499 is a deficient number, since it is larger than the sum of its proper divisors (3675181).

7863976499 is a wasteful number, since it uses less digits than its factorization.

7863976499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3675180.

The product of its digits is 123451776, while the sum is 68.

The square root of 7863976499 is about 88679.0646037722. The cubic root of 7863976499 is about 1988.5998500069.

The spelling of 7863976499 in words is "seven billion, eight hundred sixty-three million, nine hundred seventy-six thousand, four hundred ninety-nine".