866825627 has 4 divisors (see below), whose sum is σ = 894787776. Its totient is φ = 838863480.

The previous prime is 866825621. The next prime is 866825651. The reversal of 866825627 is 726528668.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 866825627 - 2⁴ = 866825611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (866825621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13981028 + ... + 13981089.

It is an arithmetic number, because the mean of its divisors is an integer number (223696944).

Almost surely, 2^866825627 is an apocalyptic number.

866825627 is a deficient number, since it is larger than the sum of its proper divisors (27962149).

866825627 is a wasteful number, since it uses less digits than its factorization.

866825627 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27962148.

The product of its digits is 1935360, while the sum is 50.

The square root of 866825627 is about 29441.9025709956. The cubic root of 866825627 is about 953.4777891547.

The spelling of 866825627 in words is "eight hundred sixty-six million, eight hundred twenty-five thousand, six hundred twenty-seven".