671076851 has 2 divisors, whose sum is σ = 671076852. Its totient is φ = 671076850.

The previous prime is 671076841. The next prime is 671076883. The reversal of 671076851 is 158670176.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 671076851 - 2⁶ = 671076787 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 671076799 and 671076808.

It is not a weakly prime, because it can be changed into another prime (671076841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335538425 + 335538426.

It is an arithmetic number, because the mean of its divisors is an integer number (335538426).

Almost surely, 2^671076851 is an apocalyptic number.

671076851 is a deficient number, since it is larger than the sum of its proper divisors (1).

671076851 is an equidigital number, since it uses as much as digits as its factorization.

671076851 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 70560, while the sum is 41.

The square root of 671076851 is about 25905.1510514801. The cubic root of 671076851 is about 875.5025579934.

The spelling of 671076851 in words is "six hundred seventy-one million, seventy-six thousand, eight hundred fifty-one".