63982899 has 32 divisors (see below), whose sum is σ = 100454400. Its totient is φ = 40137120.

The previous prime is 63982873. The next prime is 63982907. The reversal of 63982899 is 99828936.

63982899 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 63982899 - 2⁷ = 63982771 is a prime.

It is a super-2 number, since 2×63982899² = 8187622728888402, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (63982199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 97657 + ... + 98309.

It is an arithmetic number, because the mean of its divisors is an integer number (3139200).

Almost surely, 2^63982899 is an apocalyptic number.

63982899 is a deficient number, since it is larger than the sum of its proper divisors (36471501).

63982899 is a wasteful number, since it uses less digits than its factorization.

63982899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 872 (or 866 counting only the distinct ones).

The product of its digits is 1679616, while the sum is 54.

The square root of 63982899 is about 7998.9311160929. The cubic root of 63982899 is about 399.9643697430.

It can be divided in two parts, 639 and 82899, that added together give a palindrome (83538).

The spelling of 63982899 in words is "sixty-three million, nine hundred eighty-two thousand, eight hundred ninety-nine".