866225075 has 6 divisors (see below), whose sum is σ = 1074119124. Its totient is φ = 692980040.

The previous prime is 866225069. The next prime is 866225077. The reversal of 866225075 is 570522668.

It is not a de Polignac number, because 866225075 - 2⁸ = 866224819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (866225077) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17324477 + ... + 17324526.

It is an arithmetic number, because the mean of its divisors is an integer number (179019854).

Almost surely, 2^866225075 is an apocalyptic number.

866225075 is a deficient number, since it is larger than the sum of its proper divisors (207894049).

866225075 is a wasteful number, since it uses less digits than its factorization.

866225075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34649013 (or 34649008 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 41.

The square root of 866225075 is about 29431.7018706020. The cubic root of 866225075 is about 953.2575429041.

The spelling of 866225075 in words is "eight hundred sixty-six million, two hundred twenty-five thousand, seventy-five".