85612772 has 24 divisors (see below), whose sum is σ = 172368000. Its totient is φ = 36446400.

The previous prime is 85612763. The next prime is 85612777. The reversal of 85612772 is 27721658.

It is not an unprimeable number, because it can be changed into a prime (85612777) 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, 5897 + ... + 14352.

It is an arithmetic number, because the mean of its divisors is an integer number (7182000).

Almost surely, 2^85612772 is an apocalyptic number.

It is an amenable number.

85612772 is an abundant number, since it is smaller than the sum of its proper divisors (86755228).

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

85612772 is a wasteful number, since it uses less digits than its factorization.

85612772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20411 (or 20409 counting only the distinct ones).

The product of its digits is 47040, while the sum is 38.

The square root of 85612772 is about 9252.7170063717. The cubic root of 85612772 is about 440.7370086085.

The spelling of 85612772 in words is "eighty-five million, six hundred twelve thousand, seven hundred seventy-two".