84671106289 has 27 divisors (see below), whose sum is σ = 108291711801. Its totient is φ = 65960026440.

The previous prime is 84671106277. The next prime is 84671106301. The reversal of 84671106289 is 98260117648.

The square root of 84671106289 is 290983.

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

It is an interprime number because it is at equal distance from previous prime (84671106277) and next prime (84671106301).

It is not a de Polignac number, because 84671106289 - 2¹¹ = 84671104241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (84671106269) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 22403802 + ... + 22407580.

Almost surely, 2^84671106289 is an apocalyptic number.

84671106289 is the 290983-rd square number.

84671106289 is the 145492-nd centered octagonal number.

It is an amenable number.

84671106289 is a deficient number, since it is larger than the sum of its proper divisors (23620605512).

84671106289 is an frugal number, since it uses more digits than its factorization.

84671106289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7594 (or 3797 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 52.

The spelling of 84671106289 in words is "eighty-four billion, six hundred seventy-one million, one hundred six thousand, two hundred eighty-nine".