63948287 has 8 divisors (see below), whose sum is σ = 69254640. Its totient is φ = 58697280.

The previous prime is 63948259. The next prime is 63948299. The reversal of 63948287 is 78284936.

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 63948287 - 2⁶ = 63948223 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63948587) 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, 11414 + ... + 16067.

It is an arithmetic number, because the mean of its divisors is an integer number (8656830).

Almost surely, 2^63948287 is an apocalyptic number.

63948287 is a deficient number, since it is larger than the sum of its proper divisors (5306353).

63948287 is a wasteful number, since it uses less digits than its factorization.

63948287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27673.

The product of its digits is 580608, while the sum is 47.

The square root of 63948287 is about 7996.7672843468. The cubic root of 63948287 is about 399.8922355530.

The spelling of 63948287 in words is "sixty-three million, nine hundred forty-eight thousand, two hundred eighty-seven".