84491082225 has 36 divisors (see below), whose sum is σ = 165090458832. Its totient is φ = 40965372000.

The previous prime is 84491082209. The next prime is 84491082229. The reversal of 84491082225 is 52228019448.

84491082225 is a `hidden beast` number, since 84 + 491 + 0 + 82 + 2 + 2 + 5 = 666.

It is not a de Polignac number, because 84491082225 - 2⁴ = 84491082209 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (84491082229) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 17066431 + ... + 17071380.

Almost surely, 2^84491082225 is an apocalyptic number.

It is an amenable number.

84491082225 is a deficient number, since it is larger than the sum of its proper divisors (80599376607).

84491082225 is a wasteful number, since it uses less digits than its factorization.

84491082225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34137838 (or 34137830 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 45.

The spelling of 84491082225 in words is "eighty-four billion, four hundred ninety-one million, eighty-two thousand, two hundred twenty-five".