85258993141 has 16 divisors (see below), whose sum is σ = 98323808128. Its totient is φ = 72418276800.

The previous prime is 85258993139. The next prime is 85258993163. The reversal of 85258993141 is 14139985258.

It is a cyclic number.

It is not a de Polignac number, because 85258993141 - 2¹ = 85258993139 is a prime.

It is a super-2 number, since 2×85258993141² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85258993111) 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, 239671 + ... + 477451.

It is an arithmetic number, because the mean of its divisors is an integer number (6145238008).

Almost surely, 2^85258993141 is an apocalyptic number.

It is an amenable number.

85258993141 is a deficient number, since it is larger than the sum of its proper divisors (13064814987).

85258993141 is a wasteful number, since it uses less digits than its factorization.

85258993141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238252.

The product of its digits is 3110400, while the sum is 55.

The spelling of 85258993141 in words is "eighty-five billion, two hundred fifty-eight million, nine hundred ninety-three thousand, one hundred forty-one".