85865002446 has 32 divisors (see below), whose sum is σ = 175744597248. Its totient is φ = 27952727040.

The previous prime is 85865002441. The next prime is 85865002493. The reversal of 85865002446 is 64420056858.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 85865002395 and 85865002404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85865002441) 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, 3123855 + ... + 3151221.

It is an arithmetic number, because the mean of its divisors is an integer number (5492018664).

Almost surely, 2^85865002446 is an apocalyptic number.

85865002446 is a gapful number since it is divisible by the number (86) formed by its first and last digit.

85865002446 is an abundant number, since it is smaller than the sum of its proper divisors (89879594802).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85865002446 is a wasteful number, since it uses less digits than its factorization.

85865002446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39576.

The product of its (nonzero) digits is 1843200, while the sum is 48.

The spelling of 85865002446 in words is "eighty-five billion, eight hundred sixty-five million, two thousand, four hundred forty-six".