85577612 has 24 divisors (see below), whose sum is σ = 153694800. Its totient is φ = 41678336.

The previous prime is 85577599. The next prime is 85577617. The reversal of 85577612 is 21677558.

It is a self number, because there is not a number n which added to its sum of digits gives 85577612.

It is not an unprimeable number, because it can be changed into a prime (85577617) 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, 25064 + ... + 28272.

It is an arithmetic number, because the mean of its divisors is an integer number (6403950).

Almost surely, 2^85577612 is an apocalyptic number.

It is an amenable number.

85577612 is a deficient number, since it is larger than the sum of its proper divisors (68117188).

85577612 is a wasteful number, since it uses less digits than its factorization.

85577612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3385 (or 3383 counting only the distinct ones).

The product of its digits is 117600, while the sum is 41.

The square root of 85577612 is about 9250.8168287995. The cubic root of 85577612 is about 440.6766654505.

The spelling of 85577612 in words is "eighty-five million, five hundred seventy-seven thousand, six hundred twelve".