84674782578132 has 18 divisors (see below), whose sum is σ = 214039033739258. Its totient is φ = 28224927526032.

The previous prime is 84674782578119. The next prime is 84674782578167. The reversal of 84674782578132 is 23187528747648.

84674782578132 is a `hidden beast` number, since 8 + 4 + 6 + 7 + 47 + 8 + 2 + 578 + 1 + 3 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 84521435150916 + 153347427216 = 9193554^2 + 391596^2 .

It is a tau number, because it is divible by the number of its divisors (18).

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, 1176038646883 + ... + 1176038646954.

Almost surely, 2^{84674782578132} is an apocalyptic number.

It is an amenable number.

84674782578132 is an abundant number, since it is smaller than the sum of its proper divisors (129364251161126).

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

84674782578132 is a wasteful number, since it uses less digits than its factorization.

84674782578132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2352077293847 (or 2352077293842 counting only the distinct ones).

The product of its digits is 1011548160, while the sum is 72.

The spelling of 84674782578132 in words is "eighty-four trillion, six hundred seventy-four billion, seven hundred eighty-two million, five hundred seventy-eight thousand, one hundred thirty-two".