7681830671 has 2 divisors, whose sum is σ = 7681830672. Its totient is φ = 7681830670.

The previous prime is 7681830649. The next prime is 7681830683. The reversal of 7681830671 is 1760381867.

7681830671 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7681830671 - 2³⁰ = 6608088847 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7681830371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3840915335 + 3840915336.

It is an arithmetic number, because the mean of its divisors is an integer number (3840915336).

Almost surely, 2^7681830671 is an apocalyptic number.

7681830671 is a deficient number, since it is larger than the sum of its proper divisors (1).

7681830671 is an equidigital number, since it uses as much as digits as its factorization.

7681830671 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 338688, while the sum is 47.

The square root of 7681830671 is about 87646.0533680781. The cubic root of 7681830671 is about 1973.1264116950.

The spelling of 7681830671 in words is "seven billion, six hundred eighty-one million, eight hundred thirty thousand, six hundred seventy-one".