63676897 has 2 divisors, whose sum is σ = 63676898. Its totient is φ = 63676896.

The previous prime is 63676861. The next prime is 63676909. The reversal of 63676897 is 79867636.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52548001 + 11128896 = 7249^2 + 3336^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63676897 is a prime.

It is not a weakly prime, because it can be changed into another prime (63676807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31838448 + 31838449.

It is an arithmetic number, because the mean of its divisors is an integer number (31838449).

Almost surely, 2^63676897 is an apocalyptic number.

It is an amenable number.

63676897 is a deficient number, since it is larger than the sum of its proper divisors (1).

63676897 is an equidigital number, since it uses as much as digits as its factorization.

63676897 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2286144, while the sum is 52.

The square root of 63676897 is about 7979.7805107659. The cubic root of 63676897 is about 399.3257327980.

The spelling of 63676897 in words is "sixty-three million, six hundred seventy-six thousand, eight hundred ninety-seven".