868257500 has 60 divisors (see below), whose sum is σ = 2071380696. Its totient is φ = 315720000.

The previous prime is 868257493. The next prime is 868257527. The reversal of 868257500 is 5752868.

868257500 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 11714 + ... + 43286.

Almost surely, 2^868257500 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 868257500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1035690348).

868257500 is an abundant number, since it is smaller than the sum of its proper divisors (1203123196).

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

868257500 is a wasteful number, since it uses less digits than its factorization.

868257500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31608 (or 31591 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 41.

The square root of 868257500 is about 29466.2094610080. The cubic root of 868257500 is about 954.0025037036.

The spelling of 868257500 in words is "eight hundred sixty-eight million, two hundred fifty-seven thousand, five hundred".