84859284897 has 48 divisors (see below), whose sum is σ = 135971476992. Its totient is φ = 50758202880.

The previous prime is 84859284883. The next prime is 84859284911. The reversal of 84859284897 is 79848295848.

It is an interprime number because it is at equal distance from previous prime (84859284883) and next prime (84859284911).

It is not a de Polignac number, because 84859284897 - 2¹² = 84859280801 is a prime.

It is not an unprimeable number, because it can be changed into a prime (84859284847) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 184263 + ... + 451299.

It is an arithmetic number, because the mean of its divisors is an integer number (2832739104).

Almost surely, 2^84859284897 is an apocalyptic number.

It is an amenable number.

84859284897 is a deficient number, since it is larger than the sum of its proper divisors (51112192095).

84859284897 is a wasteful number, since it uses less digits than its factorization.

84859284897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267158 (or 267155 counting only the distinct ones).

The product of its digits is 371589120, while the sum is 72.

The spelling of 84859284897 in words is "eighty-four billion, eight hundred fifty-nine million, two hundred eighty-four thousand, eight hundred ninety-seven".