85859150489 has 24 divisors (see below), whose sum is σ = 104512329600. Its totient is φ = 70372499736.

The previous prime is 85859150467. The next prime is 85859150549. The reversal of 85859150489 is 98405195858.

It is a happy number.

It is not a de Polignac number, because 85859150489 - 2¹² = 85859146393 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85859150089) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26024162 + ... + 26027460.

It is an arithmetic number, because the mean of its divisors is an integer number (4354680400).

Almost surely, 2^85859150489 is an apocalyptic number.

It is an amenable number.

85859150489 is a deficient number, since it is larger than the sum of its proper divisors (18653179111).

85859150489 is an frugal number, since it uses more digits than its factorization.

85859150489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6642 (or 3329 counting only the distinct ones).

The product of its (nonzero) digits is 20736000, while the sum is 62.

The spelling of 85859150489 in words is "eighty-five billion, eight hundred fifty-nine million, one hundred fifty thousand, four hundred eighty-nine".