866853654887352 has 32 divisors (see below), whose sum is σ = 2364146331511680. Its totient is φ = 262682925723360.

The previous prime is 866853654887327. The next prime is 866853654887387. The reversal of 866853654887352 is 253788456358668.

866853654887352 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1641768285508 + ... + 1641768286035.

It is an arithmetic number, because the mean of its divisors is an integer number (73879572859740).

Almost surely, 2^{866853654887352} is an apocalyptic number.

It is an amenable number.

866853654887352 is an abundant number, since it is smaller than the sum of its proper divisors (1497292676624328).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

866853654887352 is a wasteful number, since it uses less digits than its factorization.

866853654887352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3283536571563 (or 3283536571559 counting only the distinct ones).

The product of its digits is 55738368000, while the sum is 84.

The spelling of 866853654887352 in words is "eight hundred sixty-six trillion, eight hundred fifty-three billion, six hundred fifty-four million, eight hundred eighty-seven thousand, three hundred fifty-two".