868839048 has 240 divisors, whose sum is σ = 3058957440. Its totient is φ = 225529920.

The previous prime is 868838987. The next prime is 868839079. The reversal of 868839048 is 840938868.

868839048 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 868838985 and 868839003.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 548065 + ... + 549647.

It is an arithmetic number, because the mean of its divisors is an integer number (12745656).

Almost surely, 2^868839048 is an apocalyptic number.

868839048 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 868839048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1529478720).

868839048 is an abundant number, since it is smaller than the sum of its proper divisors (2190118392).

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

868839048 is a wasteful number, since it uses less digits than its factorization.

868839048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1630 (or 1606 counting only the distinct ones).

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

The square root of 868839048 is about 29476.0758582278. The cubic root of 868839048 is about 954.2154491445.

The spelling of 868839048 in words is "eight hundred sixty-eight million, eight hundred thirty-nine thousand, forty-eight".