84836465289 has 15 divisors (see below), whose sum is σ = 126734932093. Its totient is φ = 56555895924.

The previous prime is 84836465267. The next prime is 84836465297. The reversal of 84836465289 is 98256463848.

The square root of 84836465289 is 291267.

It is a perfect power (a square), and thus also a powerful number.

84836465289 is a `hidden beast` number, since 8 + 48 + 3 + 64 + 6 + 528 + 9 = 666.

It is not a de Polignac number, because 84836465289 - 2¹¹ = 84836463241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84836415289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 2605222 + ... + 2637584.

Almost surely, 2^84836465289 is an apocalyptic number.

84836465289 is the 291267-th square number.

84836465289 is the 145634-th centered octagonal number.

It is an amenable number.

84836465289 is a deficient number, since it is larger than the sum of its proper divisors (41898466804).

84836465289 is an frugal number, since it uses more digits than its factorization.

84836465289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64738 (or 32366 counting only the distinct ones).

The product of its digits is 79626240, while the sum is 63.

The spelling of 84836465289 in words is "eighty-four billion, eight hundred thirty-six million, four hundred sixty-five thousand, two hundred eighty-nine".