866850082803 has 12 divisors (see below), whose sum is σ = 1253902981968. Its totient is φ = 577075657200.

The previous prime is 866850082789. The next prime is 866850082817. The reversal of 866850082803 is 308280058668.

It is an interprime number because it is at equal distance from previous prime (866850082789) and next prime (866850082817).

It is not a de Polignac number, because 866850082803 - 2⁵ = 866850082771 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 866850082803.

It is not an unprimeable number, because it can be changed into a prime (866850081803) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 68693175 + ... + 68705792.

It is an arithmetic number, because the mean of its divisors is an integer number (104491915164).

Almost surely, 2^866850082803 is an apocalyptic number.

866850082803 is a deficient number, since it is larger than the sum of its proper divisors (387052899165).

866850082803 is a wasteful number, since it uses less digits than its factorization.

866850082803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137399674 (or 137399671 counting only the distinct ones).

The product of its (nonzero) digits is 4423680, while the sum is 54.

The spelling of 866850082803 in words is "eight hundred sixty-six billion, eight hundred fifty million, eighty-two thousand, eight hundred three".