63979297 has 4 divisors (see below), whose sum is σ = 64048516. Its totient is φ = 63910080.

The previous prime is 63979283. The next prime is 63979339. The reversal of 63979297 is 79297936.

63979297 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6765201 + 57214096 = 2601^2 + 7564^2 .

It is a cyclic number.

It is not a de Polignac number, because 63979297 - 2¹⁵ = 63946529 is a prime.

It is a super-2 number, since 2×63979297² = 8186700889228418, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63979207) 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 in 3 ways as a sum of consecutive naturals, for example, 33204 + ... + 35077.

It is an arithmetic number, because the mean of its divisors is an integer number (16012129).

Almost surely, 2^63979297 is an apocalyptic number.

It is an amenable number.

63979297 is a deficient number, since it is larger than the sum of its proper divisors (69219).

63979297 is an equidigital number, since it uses as much as digits as its factorization.

63979297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69218.

The product of its digits is 1285956, while the sum is 52.

The square root of 63979297 is about 7998.7059578409. The cubic root of 63979297 is about 399.9568640984.

It can be divided in two parts, 6397929 and 7, that added together give a palindrome (6397936).

The spelling of 63979297 in words is "sixty-three million, nine hundred seventy-nine thousand, two hundred ninety-seven".