84768191856 has 30 divisors (see below), whose sum is σ = 237233204000. Its totient is φ = 28256063904.

The previous prime is 84768191843. The next prime is 84768191861. The reversal of 84768191856 is 65819186748.

84768191856 is a `hidden beast` number, since 8 + 476 + 81 + 9 + 1 + 85 + 6 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 84768191793 and 84768191802.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 294333856 + ... + 294334143.

Almost surely, 2^84768191856 is an apocalyptic number.

It is an amenable number.

84768191856 is an abundant number, since it is smaller than the sum of its proper divisors (152465012144).

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

84768191856 is a wasteful number, since it uses less digits than its factorization.

84768191856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 588668013 (or 588668004 counting only the distinct ones).

The product of its digits is 23224320, while the sum is 63.

The spelling of 84768191856 in words is "eighty-four billion, seven hundred sixty-eight million, one hundred ninety-one thousand, eight hundred fifty-six".