966867931 has 2 divisors, whose sum is σ = 966867932. Its totient is φ = 966867930.

The previous prime is 966867929. The next prime is 966867947. The reversal of 966867931 is 139768669.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 966867931 - 2¹ = 966867929 is a prime.

It is a super-2 number, since 2×966867931² = 1869667191992441522, which contains 22 as substring.

Together with 966867929, it forms a pair of twin primes.

It is a Chen prime.

It is the 31095-th Hogben number.

It is not a weakly prime, because it can be changed into another prime (966867971) by changing a digit.

It is a nontrivial repunit in base 31094.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 483433965 + 483433966.

It is an arithmetic number, because the mean of its divisors is an integer number (483433966).

Almost surely, 2^966867931 is an apocalyptic number.

966867931 is a deficient number, since it is larger than the sum of its proper divisors (1).

966867931 is an equidigital number, since it uses as much as digits as its factorization.

966867931 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2939328, while the sum is 55.

The square root of 966867931 is about 31094.5000120600. The cubic root of 966867931 is about 988.8317106559.

The spelling of 966867931 in words is "nine hundred sixty-six million, eight hundred sixty-seven thousand, nine hundred thirty-one".