868507800 has 96 divisors (see below), whose sum is σ = 2698019280. Its totient is φ = 231116800.

The previous prime is 868507777. The next prime is 868507817. The reversal of 868507800 is 8705868.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 354580 + ... + 357020.

Almost surely, 2^868507800 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 868507800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1349009640).

868507800 is an abundant number, since it is smaller than the sum of its proper divisors (1829511480).

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

868507800 is a wasteful number, since it uses less digits than its factorization.

868507800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3053 (or 3044 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 42.

The square root of 868507800 is about 29470.4563928012. The cubic root of 868507800 is about 954.0941677106.

The spelling of 868507800 in words is "eight hundred sixty-eight million, five hundred seven thousand, eight hundred".