84371782412 has 6 divisors (see below), whose sum is σ = 147650619228. Its totient is φ = 42185891204.

The previous prime is 84371782381. The next prime is 84371782477. The reversal of 84371782412 is 21428717348.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10546472798 + ... + 10546472805.

It is an arithmetic number, because the mean of its divisors is an integer number (24608436538).

Almost surely, 2^84371782412 is an apocalyptic number.

It is an amenable number.

84371782412 is a deficient number, since it is larger than the sum of its proper divisors (63278836816).

84371782412 is a wasteful number, since it uses less digits than its factorization.

84371782412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21092945607 (or 21092945605 counting only the distinct ones).

The product of its digits is 602112, while the sum is 47.

The spelling of 84371782412 in words is "eighty-four billion, three hundred seventy-one million, seven hundred eighty-two thousand, four hundred twelve".