85487160291 has 16 divisors (see below), whose sum is σ = 122991983520. Its totient is φ = 52504116480.

The previous prime is 85487160263. The next prime is 85487160329. The reversal of 85487160291 is 19206178458.

It is not a de Polignac number, because 85487160291 - 2⁵ = 85487160259 is a prime.

It is not an unprimeable number, because it can be changed into a prime (85487160191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2133370 + ... + 2173071.

It is an arithmetic number, because the mean of its divisors is an integer number (7686998970).

Almost surely, 2^85487160291 is an apocalyptic number.

85487160291 is a deficient number, since it is larger than the sum of its proper divisors (37504823229).

85487160291 is a wasteful number, since it uses less digits than its factorization.

85487160291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4306966.

The product of its (nonzero) digits is 967680, while the sum is 51.

The spelling of 85487160291 in words is "eighty-five billion, four hundred eighty-seven million, one hundred sixty thousand, two hundred ninety-one".