63976331 has 2 divisors, whose sum is σ = 63976332. Its totient is φ = 63976330.

The previous prime is 63976327. The next prime is 63976391. The reversal of 63976331 is 13367936.

It is a happy number.

63976331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 63976331 - 2² = 63976327 is a prime.

It is a super-2 number, since 2×63976331² = 8185941856443122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (63976391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31988165 + 31988166.

It is an arithmetic number, because the mean of its divisors is an integer number (31988166).

Almost surely, 2^63976331 is an apocalyptic number.

63976331 is a deficient number, since it is larger than the sum of its proper divisors (1).

63976331 is an equidigital number, since it uses as much as digits as its factorization.

63976331 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 61236, while the sum is 38.

The square root of 63976331 is about 7998.5205507019. The cubic root of 63976331 is about 399.9506835033.

The spelling of 63976331 in words is "sixty-three million, nine hundred seventy-six thousand, three hundred thirty-one".