7676168821 has 2 divisors, whose sum is σ = 7676168822. Its totient is φ = 7676168820.

The previous prime is 7676168807. The next prime is 7676168849. The reversal of 7676168821 is 1288616767.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7441650225 + 234518596 = 86265^2 + 15314^2 .

It is a cyclic number.

It is not a de Polignac number, because 7676168821 - 2¹⁵ = 7676136053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7676168221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3838084410 + 3838084411.

It is an arithmetic number, because the mean of its divisors is an integer number (3838084411).

Almost surely, 2^7676168821 is an apocalyptic number.

It is an amenable number.

7676168821 is a deficient number, since it is larger than the sum of its proper divisors (1).

7676168821 is an equidigital number, since it uses as much as digits as its factorization.

7676168821 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1354752, while the sum is 52.

The square root of 7676168821 is about 87613.7478995163. The cubic root of 7676168821 is about 1972.6415319825.

The spelling of 7676168821 in words is "seven billion, six hundred seventy-six million, one hundred sixty-eight thousand, eight hundred twenty-one".