63860983 has 4 divisors (see below), whose sum is σ = 64814200. Its totient is φ = 62907768.

The previous prime is 63860981. The next prime is 63860999. The reversal of 63860983 is 38906836.

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 63860983 - 2¹ = 63860981 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 (63860981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 476508 + ... + 476641.

It is an arithmetic number, because the mean of its divisors is an integer number (16203550).

Almost surely, 2^63860983 is an apocalyptic number.

63860983 is a deficient number, since it is larger than the sum of its proper divisors (953217).

63860983 is an equidigital number, since it uses as much as digits as its factorization.

63860983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 953216.

The product of its (nonzero) digits is 186624, while the sum is 43.

The square root of 63860983 is about 7991.3067141738. The cubic root of 63860983 is about 399.7101712990.

The spelling of 63860983 in words is "sixty-three million, eight hundred sixty thousand, nine hundred eighty-three".