961271827 has 2 divisors, whose sum is σ = 961271828. Its totient is φ = 961271826.

The previous prime is 961271789. The next prime is 961271863. The reversal of 961271827 is 728172169.

961271827 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 961271827 - 2⁷ = 961271699 is a prime.

It is not a weakly prime, because it can be changed into another prime (961272827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 480635913 + 480635914.

It is an arithmetic number, because the mean of its divisors is an integer number (480635914).

Almost surely, 2^961271827 is an apocalyptic number.

961271827 is a deficient number, since it is larger than the sum of its proper divisors (1).

961271827 is an equidigital number, since it uses as much as digits as its factorization.

961271827 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 84672, while the sum is 43.

The square root of 961271827 is about 31004.3839964609. The cubic root of 961271827 is about 986.9202757018.

The spelling of 961271827 in words is "nine hundred sixty-one million, two hundred seventy-one thousand, eight hundred twenty-seven".