966664487 has 2 divisors, whose sum is σ = 966664488. Its totient is φ = 966664486.

The previous prime is 966664441. The next prime is 966664507. The reversal of 966664487 is 784466669.

966664487 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 966664487 - 2¹² = 966660391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (966664187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 483332243 + 483332244.

It is an arithmetic number, because the mean of its divisors is an integer number (483332244).

Almost surely, 2^966664487 is an apocalyptic number.

966664487 is a deficient number, since it is larger than the sum of its proper divisors (1).

966664487 is an equidigital number, since it uses as much as digits as its factorization.

966664487 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10450944, while the sum is 56.

The square root of 966664487 is about 31091.2284575570. The cubic root of 966664487 is about 988.7623506177.

The spelling of 966664487 in words is "nine hundred sixty-six million, six hundred sixty-four thousand, four hundred eighty-seven".