863988048 has 240 divisors, whose sum is σ = 3062232576. Its totient is φ = 220872960.

The previous prime is 863988019. The next prime is 863988067. The reversal of 863988048 is 840889368.

It is a junction number, because it is equal to n+sod(n) for n = 863987985 and 863988003.

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 742315 + ... + 743477.

Almost surely, 2^863988048 is an apocalyptic number.

863988048 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 863988048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1531116288).

863988048 is an abundant number, since it is smaller than the sum of its proper divisors (2198244528).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

863988048 is a wasteful number, since it uses less digits than its factorization.

863988048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1262 (or 1253 counting only the distinct ones).

The product of its (nonzero) digits is 2654208, while the sum is 54.

The square root of 863988048 is about 29393.6736050464. The cubic root of 863988048 is about 952.4362393511.

The spelling of 863988048 in words is "eight hundred sixty-three million, nine hundred eighty-eight thousand, forty-eight".