866428902307 has 4 divisors (see below), whose sum is σ = 866531483136. Its totient is φ = 866326321480.

The previous prime is 866428902301. The next prime is 866428902377. The reversal of 866428902307 is 703209824668.

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 866428902307 - 2¹⁹ = 866428378019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (866428902301) 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, 51277744 + ... + 51294637.

It is an arithmetic number, because the mean of its divisors is an integer number (216632870784).

Almost surely, 2^866428902307 is an apocalyptic number.

866428902307 is a deficient number, since it is larger than the sum of its proper divisors (102580829).

866428902307 is a wasteful number, since it uses less digits than its factorization.

866428902307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102580828.

The product of its (nonzero) digits is 6967296, while the sum is 55.

The spelling of 866428902307 in words is "eight hundred sixty-six billion, four hundred twenty-eight million, nine hundred two thousand, three hundred seven".