84674864142 has 24 divisors (see below), whose sum is σ = 200140588440. Its totient is φ = 25659049680.

The previous prime is 84674864123. The next prime is 84674864167. The reversal of 84674864142 is 24146847648.

84674864142 is a `hidden beast` number, since 84 + 6 + 7 + 486 + 41 + 42 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 213825217 + ... + 213825612.

It is an arithmetic number, because the mean of its divisors is an integer number (8339191185).

Almost surely, 2^84674864142 is an apocalyptic number.

84674864142 is an abundant number, since it is smaller than the sum of its proper divisors (115465724298).

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

84674864142 is a wasteful number, since it uses less digits than its factorization.

84674864142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427650848 (or 427650845 counting only the distinct ones).

The product of its digits is 8257536, while the sum is 54.

The spelling of 84674864142 in words is "eighty-four billion, six hundred seventy-four million, eight hundred sixty-four thousand, one hundred forty-two".