671061923927 has 2 divisors, whose sum is σ = 671061923928. Its totient is φ = 671061923926.

The previous prime is 671061923921. The next prime is 671061923929. The reversal of 671061923927 is 729329160176.

671061923927 is digitally balanced in base 2, 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 671061923927 - 2⁴ = 671061923911 is a prime.

Together with 671061923929, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (671061923921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335530961963 + 335530961964.

It is an arithmetic number, because the mean of its divisors is an integer number (335530961964).

Almost surely, 2^671061923927 is an apocalyptic number.

671061923927 is a deficient number, since it is larger than the sum of its proper divisors (1).

671061923927 is an equidigital number, since it uses as much as digits as its factorization.

671061923927 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1714608, while the sum is 53.

The spelling of 671061923927 in words is "six hundred seventy-one billion, sixty-one million, nine hundred twenty-three thousand, nine hundred twenty-seven".