85741831 has 8 divisors (see below), whose sum is σ = 98144640. Its totient is φ = 73377528.

The previous prime is 85741819. The next prime is 85741837. The reversal of 85741831 is 13814758.

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

It is not a de Polignac number, because 85741831 - 2¹³ = 85733639 is a prime.

It is a super-2 number, since 2×85741831² = 14703323166465122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85741837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4681 + ... + 13906.

It is an arithmetic number, because the mean of its divisors is an integer number (12268080).

Almost surely, 2^85741831 is an apocalyptic number.

85741831 is a deficient number, since it is larger than the sum of its proper divisors (12402809).

85741831 is a wasteful number, since it uses less digits than its factorization.

85741831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19253.

The product of its digits is 26880, while the sum is 37.

The square root of 85741831 is about 9259.6884936806. The cubic root of 85741831 is about 440.9583638960.

The spelling of 85741831 in words is "eighty-five million, seven hundred forty-one thousand, eight hundred thirty-one".