376766321 has 2 divisors, whose sum is σ = 376766322. Its totient is φ = 376766320.

The previous prime is 376766293. The next prime is 376766323. The reversal of 376766321 is 123667673.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 335292721 + 41473600 = 18311^2 + 6440^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-376766321 is a prime.

Together with 376766323, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (376766323) 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, 188383160 + 188383161.

It is an arithmetic number, because the mean of its divisors is an integer number (188383161).

Almost surely, 2^376766321 is an apocalyptic number.

It is an amenable number.

376766321 is a deficient number, since it is larger than the sum of its proper divisors (1).

376766321 is an equidigital number, since it uses as much as digits as its factorization.

376766321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 190512, while the sum is 41.

The square root of 376766321 is about 19410.4693657830. The cubic root of 376766321 is about 722.2552235711.

The spelling of 376766321 in words is "three hundred seventy-six million, seven hundred sixty-six thousand, three hundred twenty-one".