7876563697 has 2 divisors, whose sum is σ = 7876563698. Its totient is φ = 7876563696.

The previous prime is 7876563683. The next prime is 7876563703. The reversal of 7876563697 is 7963656787.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5193220096 + 2683343601 = 72064^2 + 51801^2 .

It is a cyclic number.

It is not a de Polignac number, because 7876563697 - 2²³ = 7868175089 is a prime.

It is not a weakly prime, because it can be changed into another prime (7876563637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3938281848 + 3938281849.

It is an arithmetic number, because the mean of its divisors is an integer number (3938281849).

Almost surely, 2^7876563697 is an apocalyptic number.

It is an amenable number.

7876563697 is a deficient number, since it is larger than the sum of its proper divisors (1).

7876563697 is an equidigital number, since it uses as much as digits as its factorization.

7876563697 is an evil number, because the sum of its binary digits is even.

The product of its digits is 80015040, while the sum is 64.

The square root of 7876563697 is about 88750.0067436617. The cubic root of 7876563697 is about 1989.6602786157.

The spelling of 7876563697 in words is "seven billion, eight hundred seventy-six million, five hundred sixty-three thousand, six hundred ninety-seven".