862478694884 has 12 divisors (see below), whose sum is σ = 1509352113024. Its totient is φ = 431235234024.

The previous prime is 862478694871. The next prime is 862478694907. The reversal of 862478694884 is 488496874268.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 529724 + ... + 1416179.

It is an arithmetic number, because the mean of its divisors is an integer number (125779342752).

Almost surely, 2^862478694884 is an apocalyptic number.

It is an amenable number.

862478694884 is a deficient number, since it is larger than the sum of its proper divisors (646873418140).

862478694884 is a wasteful number, since it uses less digits than its factorization.

862478694884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2056714 (or 2056712 counting only the distinct ones).

The product of its digits is 1189085184, while the sum is 74.

The spelling of 862478694884 in words is "eight hundred sixty-two billion, four hundred seventy-eight million, six hundred ninety-four thousand, eight hundred eighty-four".