63947467 has 2 divisors, whose sum is σ = 63947468. Its totient is φ = 63947466.

The previous prime is 63947453. The next prime is 63947497. The reversal of 63947467 is 76474936.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 63947467 - 2²³ = 55558859 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (63947417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31973733 + 31973734.

It is an arithmetic number, because the mean of its divisors is an integer number (31973734).

Almost surely, 2^63947467 is an apocalyptic number.

63947467 is a deficient number, since it is larger than the sum of its proper divisors (1).

63947467 is an equidigital number, since it uses as much as digits as its factorization.

63947467 is an evil number, because the sum of its binary digits is even.

The product of its digits is 762048, while the sum is 46.

The square root of 63947467 is about 7996.7160134645. The cubic root of 63947467 is about 399.8905262915.

It can be divided in two parts, 6394 and 7467, that added together give a triangular number (13861 = T₁₆₆).

The spelling of 63947467 in words is "sixty-three million, nine hundred forty-seven thousand, four hundred sixty-seven".