332666377 has 2 divisors, whose sum is σ = 332666378. Its totient is φ = 332666376.

The previous prime is 332666357. The next prime is 332666431. The reversal of 332666377 is 773666233.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 314849536 + 17816841 = 17744^2 + 4221^2 .

It is a cyclic number.

It is not a de Polignac number, because 332666377 - 2¹⁹ = 332142089 is a prime.

It is a super-2 number, since 2×332666377² = 221333836772612258, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (332666357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 166333188 + 166333189.

It is an arithmetic number, because the mean of its divisors is an integer number (166333189).

Almost surely, 2^332666377 is an apocalyptic number.

It is an amenable number.

332666377 is a deficient number, since it is larger than the sum of its proper divisors (1).

332666377 is an equidigital number, since it uses as much as digits as its factorization.

332666377 is an evil number, because the sum of its binary digits is even.

The product of its digits is 571536, while the sum is 43.

The square root of 332666377 is about 18239.1440862777. The cubic root of 332666377 is about 692.8985238857.

The spelling of 332666377 in words is "three hundred thirty-two million, six hundred sixty-six thousand, three hundred seventy-seven".