966379591 has 2 divisors, whose sum is σ = 966379592. Its totient is φ = 966379590.

The previous prime is 966379573. The next prime is 966379639. The reversal of 966379591 is 195973669.

966379591 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 966379591 - 2⁵ = 966379559 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 (966379511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 483189795 + 483189796.

It is an arithmetic number, because the mean of its divisors is an integer number (483189796).

Almost surely, 2^966379591 is an apocalyptic number.

966379591 is a deficient number, since it is larger than the sum of its proper divisors (1).

966379591 is an equidigital number, since it uses as much as digits as its factorization.

966379591 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2755620, while the sum is 55.

The square root of 966379591 is about 31086.6465061769. The cubic root of 966379591 is about 988.6652048411.

The spelling of 966379591 in words is "nine hundred sixty-six million, three hundred seventy-nine thousand, five hundred ninety-one".