868389376 has 160 divisors (see below), whose sum is σ = 1988712000. Its totient is φ = 376307712.

The previous prime is 868389337. The next prime is 868389377. The reversal of 868389376 is 673983868.

It is a self number, because there is not a number n which added to its sum of digits gives 868389376.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (868389377) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9757140 + ... + 9757228.

It is an arithmetic number, because the mean of its divisors is an integer number (12429450).

Almost surely, 2^868389376 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 868389376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (994356000).

868389376 is an abundant number, since it is smaller than the sum of its proper divisors (1120322624).

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

868389376 is a wasteful number, since it uses less digits than its factorization.

868389376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202 (or 186 counting only the distinct ones).

The product of its digits is 10450944, while the sum is 58.

The square root of 868389376 is about 29468.4471256970. The cubic root of 868389376 is about 954.0508010751.

The spelling of 868389376 in words is "eight hundred sixty-eight million, three hundred eighty-nine thousand, three hundred seventy-six".