63479797 has 2 divisors, whose sum is σ = 63479798. Its totient is φ = 63479796.

The previous prime is 63479789. The next prime is 63479831. The reversal of 63479797 is 79797436.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 62948356 + 531441 = 7934^2 + 729^2 .

It is a cyclic number.

It is not a de Polignac number, because 63479797 - 2³ = 63479789 is a prime.

It is a super-2 number, since 2×63479797² = 8059369254322418, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63479707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31739898 + 31739899.

It is an arithmetic number, because the mean of its divisors is an integer number (31739899).

Almost surely, 2^63479797 is an apocalyptic number.

It is an amenable number.

63479797 is a deficient number, since it is larger than the sum of its proper divisors (1).

63479797 is an equidigital number, since it uses as much as digits as its factorization.

63479797 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2000376, while the sum is 52.

The square root of 63479797 is about 7967.4209754475. The cubic root of 63479797 is about 398.9132940993.

The spelling of 63479797 in words is "sixty-three million, four hundred seventy-nine thousand, seven hundred ninety-seven".