866473012563355 has 8 divisors (see below), whose sum is σ = 1040058784970064. Its totient is φ = 692984296788000.

The previous prime is 866473012563293. The next prime is 866473012563377. The reversal of 866473012563355 is 553365210374668.

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

It is not a de Polignac number, because 866473012563355 - 2¹⁹ = 866473012039067 is a prime.

It is a Duffinian 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, 24264138196 + ... + 24264173905.

It is an arithmetic number, because the mean of its divisors is an integer number (130007348121258).

Almost surely, 2^{866473012563355} is an apocalyptic number.

866473012563355 is a deficient number, since it is larger than the sum of its proper divisors (173585772406709).

866473012563355 is a wasteful number, since it uses less digits than its factorization.

866473012563355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48528315677.

The product of its (nonzero) digits is 326592000, while the sum is 64.

The spelling of 866473012563355 in words is "eight hundred sixty-six trillion, four hundred seventy-three billion, twelve million, five hundred sixty-three thousand, three hundred fifty-five".