63864027 has 12 divisors (see below), whose sum is σ = 92602224. Its totient is φ = 42412560.

The previous prime is 63864007. The next prime is 63864071. The reversal of 63864027 is 72046836.

63864027 is a `hidden beast` number, since 6 + 3 + 8 + 640 + 2 + 7 = 666.

It is not a de Polignac number, because 63864027 - 2¹⁴ = 63847643 is a prime.

It is a super-2 number, since 2×63864027² = 8157227889313458, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 63863982 and 63864000.

It is not an unprimeable number, because it can be changed into a prime (63864007) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11124 + ... + 15857.

It is an arithmetic number, because the mean of its divisors is an integer number (7716852).

Almost surely, 2^63864027 is an apocalyptic number.

63864027 is a deficient number, since it is larger than the sum of its proper divisors (28738197).

63864027 is a wasteful number, since it uses less digits than its factorization.

63864027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27250 (or 27247 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 63864027 is about 7991.4971688664. The cubic root of 63864027 is about 399.7165220648.

The spelling of 63864027 in words is "sixty-three million, eight hundred sixty-four thousand, twenty-seven".