85141691 has 8 divisors (see below), whose sum is σ = 87015600. Its totient is φ = 83277792.

The previous prime is 85141663. The next prime is 85141703. The reversal of 85141691 is 19614158.

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

It is a cyclic number.

It is not a de Polignac number, because 85141691 - 2¹⁸ = 84879547 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85141601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16196 + ... + 20798.

It is an arithmetic number, because the mean of its divisors is an integer number (10876950).

Almost surely, 2^85141691 is an apocalyptic number.

85141691 is a deficient number, since it is larger than the sum of its proper divisors (1873909).

85141691 is a wasteful number, since it uses less digits than its factorization.

85141691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5005.

The product of its digits is 8640, while the sum is 35.

The square root of 85141691 is about 9227.2255310033. The cubic root of 85141691 is about 439.9271418619.

The spelling of 85141691 in words is "eighty-five million, one hundred forty-one thousand, six hundred ninety-one".