63896571 has 24 divisors (see below), whose sum is σ = 94002480. Its totient is φ = 41817600.

The previous prime is 63896551. The next prime is 63896579. The reversal of 63896571 is 17569836.

It is a happy number.

63896571 is a `hidden beast` number, since 638 + 9 + 6 + 5 + 7 + 1 = 666.

It is not a de Polignac number, because 63896571 - 2⁹ = 63896059 is a prime.

It is not an unprimeable number, because it can be changed into a prime (63896579) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 192876 + ... + 193206.

It is an arithmetic number, because the mean of its divisors is an integer number (3916770).

Almost surely, 2^63896571 is an apocalyptic number.

63896571 is a deficient number, since it is larger than the sum of its proper divisors (30105909).

63896571 is a wasteful number, since it uses less digits than its factorization.

63896571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 667 (or 664 counting only the distinct ones).

The product of its digits is 272160, while the sum is 45.

The square root of 63896571 is about 7993.5330736790. The cubic root of 63896571 is about 399.7844067364.

The spelling of 63896571 in words is "sixty-three million, eight hundred ninety-six thousand, five hundred seventy-one".