85271772 has 24 divisors (see below), whose sum is σ = 209440000. Its totient is φ = 26927856.

The previous prime is 85271761. The next prime is 85271773. The reversal of 85271772 is 27717258.

It is a self number, because there is not a number n which added to its sum of digits gives 85271772.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85271773) 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, 186772 + ... + 187227.

Almost surely, 2^85271772 is an apocalyptic number.

It is an amenable number.

85271772 is an abundant number, since it is smaller than the sum of its proper divisors (124168228).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85271772 is a wasteful number, since it uses less digits than its factorization.

85271772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374025 (or 374023 counting only the distinct ones).

The product of its digits is 54880, while the sum is 39.

The square root of 85271772 is about 9234.2716009440. The cubic root of 85271772 is about 440.1510707146.

The spelling of 85271772 in words is "eighty-five million, two hundred seventy-one thousand, seven hundred seventy-two".