85841431 has 8 divisors (see below), whose sum is σ = 92606864. Its totient is φ = 79099200.

The previous prime is 85841429. The next prime is 85841447. The reversal of 85841431 is 13414858.

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 85841431 - 2¹ = 85841429 is a prime.

It is a super-2 number, since 2×85841431² = 14737502552255522, 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 (85841471) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2320 + ... + 13306.

It is an arithmetic number, because the mean of its divisors is an integer number (11575858).

Almost surely, 2^85841431 is an apocalyptic number.

85841431 is a deficient number, since it is larger than the sum of its proper divisors (6765433).

85841431 is a wasteful number, since it uses less digits than its factorization.

85841431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11601.

The product of its digits is 15360, while the sum is 34.

The square root of 85841431 is about 9265.0650834195. The cubic root of 85841431 is about 441.1290408281.

The spelling of 85841431 in words is "eighty-five million, eight hundred forty-one thousand, four hundred thirty-one".