85548771 has 32 divisors (see below), whose sum is σ = 158016000. Its totient is φ = 44439840.

The previous prime is 85548767. The next prime is 85548817. The reversal of 85548771 is 17784558.

It is a happy number.

It is not a de Polignac number, because 85548771 - 2² = 85548767 is a prime.

It is a super-2 number, since 2×85548771² = 14637184439220882, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (85548971) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18496 + ... + 22653.

It is an arithmetic number, because the mean of its divisors is an integer number (4938000).

Almost surely, 2^85548771 is an apocalyptic number.

85548771 is a deficient number, since it is larger than the sum of its proper divisors (72467229).

85548771 is a wasteful number, since it uses less digits than its factorization.

85548771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41176 (or 41170 counting only the distinct ones).

The product of its digits is 313600, while the sum is 45.

The square root of 85548771 is about 9249.2578621206. The cubic root of 85548771 is about 440.6271549012.

It can be divided in two parts, 855487 and 71, that added together give a palindrome (855558).

The spelling of 85548771 in words is "eighty-five million, five hundred forty-eight thousand, seven hundred seventy-one".