63786463 has 4 divisors (see below), whose sum is σ = 68693128. Its totient is φ = 58879800.

The previous prime is 63786461. The next prime is 63786467. The reversal of 63786463 is 36468736.

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

It is a cyclic number.

It is not a de Polignac number, because 63786463 - 2¹ = 63786461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63786461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2453313 + ... + 2453338.

It is an arithmetic number, because the mean of its divisors is an integer number (17173282).

Almost surely, 2^63786463 is an apocalyptic number.

63786463 is a deficient number, since it is larger than the sum of its proper divisors (4906665).

63786463 is a wasteful number, since it uses less digits than its factorization.

63786463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4906664.

The product of its digits is 435456, while the sum is 43.

The square root of 63786463 is about 7986.6427865531. The cubic root of 63786463 is about 399.5546355603.

The spelling of 63786463 in words is "sixty-three million, seven hundred eighty-six thousand, four hundred sixty-three".