85191541284 has 48 divisors (see below), whose sum is σ = 203064878016. Its totient is φ = 27789820800.

The previous prime is 85191541243. The next prime is 85191541291. The reversal of 85191541284 is 48214519158.

It is a super-3 number, since 3×85191541284³ (a number of 34 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 151182 + ... + 439589.

It is an arithmetic number, because the mean of its divisors is an integer number (4230518292).

Almost surely, 2^85191541284 is an apocalyptic number.

It is an amenable number.

85191541284 is an abundant number, since it is smaller than the sum of its proper divisors (117873336732).

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

85191541284 is a wasteful number, since it uses less digits than its factorization.

85191541284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 591036 (or 591034 counting only the distinct ones).

The product of its digits is 460800, while the sum is 48.

The spelling of 85191541284 in words is "eighty-five billion, one hundred ninety-one million, five hundred forty-one thousand, two hundred eighty-four".