866750976 has 480 divisors, whose sum is σ = 3234971520. Its totient is φ = 224280576.

The previous prime is 866750939. The next prime is 866750977. The reversal of 866750976 is 679057668.

It is a happy number.

866750976 is a `hidden beast` number, since 8 + 6 + 67 + 509 + 76 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (866750977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 16353766 + ... + 16353818.

It is an arithmetic number, because the mean of its divisors is an integer number (6739524).

Almost surely, 2^866750976 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 866750976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1617485760).

866750976 is an abundant number, since it is smaller than the sum of its proper divisors (2368220544).

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

866750976 is a wasteful number, since it uses less digits than its factorization.

866750976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113 (or 78 counting only the distinct ones).

The product of its (nonzero) digits is 3810240, while the sum is 54.

The square root of 866750976 is about 29440.6347757653. The cubic root of 866750976 is about 953.4504172083.

The spelling of 866750976 in words is "eight hundred sixty-six million, seven hundred fifty thousand, nine hundred seventy-six".