63198863 has 32 divisors (see below), whose sum is σ = 82317312. Its totient is φ = 47174400.

The previous prime is 63198857. The next prime is 63198881. The reversal of 63198863 is 36889136.

It is not a de Polignac number, because 63198863 - 2⁴ = 63198847 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63198893) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 121043 + ... + 121563.

It is an arithmetic number, because the mean of its divisors is an integer number (2572416).

Almost surely, 2^63198863 is an apocalyptic number.

63198863 is a deficient number, since it is larger than the sum of its proper divisors (19118449).

63198863 is a wasteful number, since it uses less digits than its factorization.

63198863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 615.

The product of its digits is 186624, while the sum is 44.

The square root of 63198863 is about 7949.7712545708. The cubic root of 63198863 is about 398.3239515461.

The spelling of 63198863 in words is "sixty-three million, one hundred ninety-eight thousand, eight hundred sixty-three".