84860859 has 8 divisors (see below), whose sum is σ = 119103040. Its totient is φ = 53596296.

The previous prime is 84860851. The next prime is 84860861. The reversal of 84860859 is 95806848.

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

It is not a de Polignac number, because 84860859 - 2³ = 84860851 is a prime.

It is a super-3 number, since 3×84860859³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84860851) 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, 744337 + ... + 744450.

It is an arithmetic number, because the mean of its divisors is an integer number (14887880).

Almost surely, 2^84860859 is an apocalyptic number.

84860859 is a deficient number, since it is larger than the sum of its proper divisors (34242181).

84860859 is a wasteful number, since it uses less digits than its factorization.

84860859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1488809.

The product of its (nonzero) digits is 552960, while the sum is 48.

The square root of 84860859 is about 9211.9953864513. The cubic root of 84860859 is about 439.4429227455.

The spelling of 84860859 in words is "eighty-four million, eight hundred sixty thousand, eight hundred fifty-nine".