868298616 has 80 divisors (see below), whose sum is σ = 2456304840. Its totient is φ = 286545600.

The previous prime is 868298609. The next prime is 868298617. The reversal of 868298616 is 616892868.

It is a happy number.

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

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (868298617) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 58815 + ... + 72081.

Almost surely, 2^868298616 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 868298616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1228152420).

868298616 is an abundant number, since it is smaller than the sum of its proper divisors (1588006224).

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

868298616 is a wasteful number, since it uses less digits than its factorization.

868298616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13386 (or 13373 counting only the distinct ones).

The product of its digits is 1990656, while the sum is 54.

The square root of 868298616 is about 29466.9071332571. The cubic root of 868298616 is about 954.0175622731.

The spelling of 868298616 in words is "eight hundred sixty-eight million, two hundred ninety-eight thousand, six hundred sixteen".