868566750 has 32 divisors (see below), whose sum is σ = 2167944480. Its totient is φ = 231617600.

The previous prime is 868566719. The next prime is 868566757. The reversal of 868566750 is 57665868.

It is a junction number, because it is equal to n+sod(n) for n = 868566693 and 868566702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (868566757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 578295 + ... + 579794.

It is an arithmetic number, because the mean of its divisors is an integer number (67748265).

Almost surely, 2^868566750 is an apocalyptic number.

868566750 is an abundant number, since it is smaller than the sum of its proper divisors (1299377730).

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

868566750 is a wasteful number, since it uses less digits than its factorization.

868566750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1158109 (or 1158099 counting only the distinct ones).

The product of its (nonzero) digits is 2419200, while the sum is 51.

The square root of 868566750 is about 29471.4565300054. The cubic root of 868566750 is about 954.1157536149.

The spelling of 868566750 in words is "eight hundred sixty-eight million, five hundred sixty-six thousand, seven hundred fifty".