866470381882645 has 32 divisors (see below), whose sum is σ = 1049753939794560. Its totient is φ = 686538309600000.

The previous prime is 866470381882627. The next prime is 866470381882783. The reversal of 866470381882645 is 546288183074668.

It is not a de Polignac number, because 866470381882645 - 2¹⁹ = 866470381358357 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 974137171 + ... + 975026239.

It is an arithmetic number, because the mean of its divisors is an integer number (32804810618580).

Almost surely, 2^{866470381882645} is an apocalyptic number.

It is an amenable number.

866470381882645 is a deficient number, since it is larger than the sum of its proper divisors (183283557911915).

866470381882645 is a wasteful number, since it uses less digits than its factorization.

866470381882645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 892117.

The product of its (nonzero) digits is 2972712960, while the sum is 76.

The spelling of 866470381882645 in words is "eight hundred sixty-six trillion, four hundred seventy billion, three hundred eighty-one million, eight hundred eighty-two thousand, six hundred forty-five".