82890804132 has 18 divisors (see below), whose sum is σ = 209529532758. Its totient is φ = 27630268032.

The previous prime is 82890804109. The next prime is 82890804149. The reversal of 82890804132 is 23140809828.

82890804132 is a `hidden beast` number, since 82 + 89 + 0 + 80 + 413 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 82888713216 + 2090916 = 287904^2 + 1446^2 .

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

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, 1151261133 + ... + 1151261204.

Almost surely, 2^82890804132 is an apocalyptic number.

It is an amenable number.

82890804132 is an abundant number, since it is smaller than the sum of its proper divisors (126638728626).

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

82890804132 is a wasteful number, since it uses less digits than its factorization.

82890804132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2302522347 (or 2302522342 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 45.

The spelling of 82890804132 in words is "eighty-two billion, eight hundred ninety million, eight hundred four thousand, one hundred thirty-two".