63886697 has 16 divisors (see below), whose sum is σ = 78008832. Its totient is φ = 51072000.

The previous prime is 63886687. The next prime is 63886717. The reversal of 63886697 is 79668836.

It is not a de Polignac number, because 63886697 - 2⁶ = 63886633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63886687) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11072 + ... + 15822.

It is an arithmetic number, because the mean of its divisors is an integer number (4875552).

Almost surely, 2^63886697 is an apocalyptic number.

It is an amenable number.

63886697 is a deficient number, since it is larger than the sum of its proper divisors (14122135).

63886697 is a wasteful number, since it uses less digits than its factorization.

63886697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4888.

The product of its digits is 2612736, while the sum is 53.

The square root of 63886697 is about 7992.9154255503. The cubic root of 63886697 is about 399.7638126496.

The spelling of 63886697 in words is "sixty-three million, eight hundred eighty-six thousand, six hundred ninety-seven".