85899345919 has 8 divisors (see below), whose sum is σ = 89116020000. Its totient is φ = 82699647072.

The previous prime is 85899345869. The next prime is 85899345923. The reversal of 85899345919 is 91954399858.

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

It is not a de Polignac number, because 85899345919 - 2²³ = 85890957311 is a prime.

It is a super-2 number, since 2×85899345919² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 8 and base 16.

It is a zygodrome in base 8.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85899345989) 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, 4233499 + ... + 4253740.

It is an arithmetic number, because the mean of its divisors is an integer number (11139502500).

Almost surely, 2^85899345919 is an apocalyptic number.

85899345919 is a deficient number, since it is larger than the sum of its proper divisors (3216674081).

85899345919 is a wasteful number, since it uses less digits than its factorization.

85899345919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8487617.

The product of its digits is 125971200, while the sum is 70.

The spelling of 85899345919 in words is "eighty-five billion, eight hundred ninety-nine million, three hundred forty-five thousand, nine hundred nineteen".