961910671 has 2 divisors, whose sum is σ = 961910672. Its totient is φ = 961910670.

The previous prime is 961910617. The next prime is 961910681. The reversal of 961910671 is 176019169.

Together with previous prime (961910617) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 961910671 - 2²⁵ = 928356239 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (961910681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 480955335 + 480955336.

It is an arithmetic number, because the mean of its divisors is an integer number (480955336).

Almost surely, 2^961910671 is an apocalyptic number.

961910671 is a deficient number, since it is larger than the sum of its proper divisors (1).

961910671 is an equidigital number, since it uses as much as digits as its factorization.

961910671 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20412, while the sum is 40.

The square root of 961910671 is about 31014.6847638341. The cubic root of 961910671 is about 987.1388571201.

The spelling of 961910671 in words is "nine hundred sixty-one million, nine hundred ten thousand, six hundred seventy-one".