63983263 has 8 divisors (see below), whose sum is σ = 66889728. Its totient is φ = 61087224.

The previous prime is 63983239. The next prime is 63983273. The reversal of 63983263 is 36238936.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 63983263 - 2²⁵ = 30428831 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 (63983233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11670 + ... + 16252.

It is an arithmetic number, because the mean of its divisors is an integer number (8361216).

Almost surely, 2^63983263 is an apocalyptic number.

63983263 is a deficient number, since it is larger than the sum of its proper divisors (2906465).

63983263 is a wasteful number, since it uses less digits than its factorization.

63983263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5213.

The product of its digits is 139968, while the sum is 40.

The square root of 63983263 is about 7998.9538691006. The cubic root of 63983263 is about 399.9651282100.

It can be divided in two parts, 63983 and 263, that added together give a palindrome (64246).

The spelling of 63983263 in words is "sixty-three million, nine hundred eighty-three thousand, two hundred sixty-three".