85727331 has 12 divisors (see below), whose sum is σ = 125525608. Its totient is φ = 56368224.

The previous prime is 85727321. The next prime is 85727347. The reversal of 85727331 is 13372758.

It is not a de Polignac number, because 85727331 - 2⁶ = 85727267 is a prime.

It is a super-2 number, since 2×85727331² = 14698350560767122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85727321) 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 11 ways as a sum of consecutive naturals, for example, 64585 + ... + 65898.

Almost surely, 2^85727331 is an apocalyptic number.

85727331 is a deficient number, since it is larger than the sum of its proper divisors (39798277).

85727331 is a wasteful number, since it uses less digits than its factorization.

85727331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130562 (or 130559 counting only the distinct ones).

The product of its digits is 35280, while the sum is 36.

The square root of 85727331 is about 9258.9054968716. The cubic root of 85727331 is about 440.9335053306.

The spelling of 85727331 in words is "eighty-five million, seven hundred twenty-seven thousand, three hundred thirty-one".