866472882015884 has 48 divisors (see below), whose sum is σ = 1781461345838496. Its totient is φ = 363546570816000.

The previous prime is 866472882015863. The next prime is 866472882015901. The reversal of 866472882015884 is 488510288274668.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6884624 + ... + 42194120.

It is an arithmetic number, because the mean of its divisors is an integer number (37113778038302).

Almost surely, 2^{866472882015884} is an apocalyptic number.

It is an amenable number.

866472882015884 is an abundant number, since it is smaller than the sum of its proper divisors (914988463822612).

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

866472882015884 is a wasteful number, since it uses less digits than its factorization.

866472882015884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35352426 (or 35352424 counting only the distinct ones).

The product of its (nonzero) digits is 2642411520, while the sum is 77.

The spelling of 866472882015884 in words is "eight hundred sixty-six trillion, four hundred seventy-two billion, eight hundred eighty-two million, fifteen thousand, eight hundred eighty-four".