667076233 has 2 divisors, whose sum is σ = 667076234. Its totient is φ = 667076232.

The previous prime is 667076203. The next prime is 667076239. The reversal of 667076233 is 332670766.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 665794809 + 1281424 = 25803^2 + 1132^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-667076233 is a prime.

It is not a weakly prime, because it can be changed into another prime (667076239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 333538116 + 333538117.

It is an arithmetic number, because the mean of its divisors is an integer number (333538117).

Almost surely, 2^667076233 is an apocalyptic number.

It is an amenable number.

667076233 is a deficient number, since it is larger than the sum of its proper divisors (1).

667076233 is an equidigital number, since it uses as much as digits as its factorization.

667076233 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 190512, while the sum is 40.

The square root of 667076233 is about 25827.8189748960. The cubic root of 667076233 is about 873.7593226881.

The spelling of 667076233 in words is "six hundred sixty-seven million, seventy-six thousand, two hundred thirty-three".