866827373112031 has 8 divisors (see below), whose sum is σ = 874460723941728. Its totient is φ = 859218927180000.

The previous prime is 866827373111981. The next prime is 866827373112133. The reversal of 866827373112031 is 130211373728668.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 866827373112031 - 2²¹ = 866827371014879 is a prime.

It is a super-2 number, since 2×866827373112031² (a number of 31 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (866827373112931) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6226154500 + ... + 6226293721.

It is an arithmetic number, because the mean of its divisors is an integer number (109307590492716).

Almost surely, 2^{866827373112031} is an apocalyptic number.

866827373112031 is a deficient number, since it is larger than the sum of its proper divisors (7633350829697).

866827373112031 is a wasteful number, since it uses less digits than its factorization.

866827373112031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12452448833.

The product of its (nonzero) digits is 12192768, while the sum is 58.

The spelling of 866827373112031 in words is "eight hundred sixty-six trillion, eight hundred twenty-seven billion, three hundred seventy-three million, one hundred twelve thousand, thirty-one".