84860215089 has 8 divisors (see below), whose sum is σ = 121850565312. Its totient is φ = 52221670800.

The previous prime is 84860215009. The next prime is 84860215117. The reversal of 84860215089 is 98051206848.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 84860215089 - 2¹⁵ = 84860182321 is a prime.

It is a super-3 number, since 3×84860215089³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (84860215009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1087951437 + ... + 1087951514.

It is an arithmetic number, because the mean of its divisors is an integer number (15231320664).

Almost surely, 2^84860215089 is an apocalyptic number.

It is an amenable number.

84860215089 is a deficient number, since it is larger than the sum of its proper divisors (36990350223).

84860215089 is a wasteful number, since it uses less digits than its factorization.

84860215089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2175902967.

The product of its (nonzero) digits is 1105920, while the sum is 51.

The spelling of 84860215089 in words is "eighty-four billion, eight hundred sixty million, two hundred fifteen thousand, eighty-nine".