964376891 has 2 divisors, whose sum is σ = 964376892. Its totient is φ = 964376890.

The previous prime is 964376887. The next prime is 964376899. The reversal of 964376891 is 198673469.

It is a weak prime.

It is an emirp because it is prime and its reverse (198673469) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 964376891 - 2² = 964376887 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (964376899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 482188445 + 482188446.

It is an arithmetic number, because the mean of its divisors is an integer number (482188446).

Almost surely, 2^964376891 is an apocalyptic number.

964376891 is a deficient number, since it is larger than the sum of its proper divisors (1).

964376891 is an equidigital number, since it uses as much as digits as its factorization.

964376891 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1959552, while the sum is 53.

The square root of 964376891 is about 31054.4182202791. The cubic root of 964376891 is about 987.9817711373.

The spelling of 964376891 in words is "nine hundred sixty-four million, three hundred seventy-six thousand, eight hundred ninety-one".