86020845 has 16 divisors (see below), whose sum is σ = 138626880. Its totient is φ = 45546624.

The previous prime is 86020817. The next prime is 86020849. The reversal of 86020845 is 54802068.

It is not a de Polignac number, because 86020845 - 2⁵ = 86020813 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86020849) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18544 + ... + 22713.

It is an arithmetic number, because the mean of its divisors is an integer number (8664180).

Almost surely, 2^86020845 is an apocalyptic number.

It is an amenable number.

86020845 is a deficient number, since it is larger than the sum of its proper divisors (52606035).

86020845 is a wasteful number, since it uses less digits than its factorization.

86020845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41404.

The product of its (nonzero) digits is 15360, while the sum is 33.

The square root of 86020845 is about 9274.7423144797. The cubic root of 86020845 is about 441.4361561281.

The spelling of 86020845 in words is "eighty-six million, twenty thousand, eight hundred forty-five".