63958647 has 8 divisors (see below), whose sum is σ = 87358320. Its totient is φ = 41599040.

The previous prime is 63958633. The next prime is 63958663. The reversal of 63958647 is 74685936.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 63958647 - 2¹⁰ = 63957623 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 63958596 and 63958605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63958667) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 259872 + ... + 260117.

It is an arithmetic number, because the mean of its divisors is an integer number (10919790).

Almost surely, 2^63958647 is an apocalyptic number.

63958647 is a deficient number, since it is larger than the sum of its proper divisors (23399673).

63958647 is a wasteful number, since it uses less digits than its factorization.

63958647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520033.

The product of its digits is 1088640, while the sum is 48.

The square root of 63958647 is about 7997.4150198674. The cubic root of 63958647 is about 399.9138293545.

The spelling of 63958647 in words is "sixty-three million, nine hundred fifty-eight thousand, six hundred forty-seven".