85627491 has 16 divisors (see below), whose sum is σ = 118483200. Its totient is φ = 54966240.

The previous prime is 85627483. The next prime is 85627537. The reversal of 85627491 is 19472658.

It is not a de Polignac number, because 85627491 - 2³ = 85627483 is a prime.

It is not an unprimeable number, because it can be changed into a prime (85627481) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4485 + ... + 13833.

It is an arithmetic number, because the mean of its divisors is an integer number (7405200).

Almost surely, 2^85627491 is an apocalyptic number.

85627491 is a deficient number, since it is larger than the sum of its proper divisors (32855709).

85627491 is a wasteful number, since it uses less digits than its factorization.

85627491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9466.

The product of its digits is 120960, while the sum is 42.

The square root of 85627491 is about 9253.5123601798. The cubic root of 85627491 is about 440.7622651061.

The spelling of 85627491 in words is "eighty-five million, six hundred twenty-seven thousand, four hundred ninety-one".