85772612 has 24 divisors (see below), whose sum is σ = 164875200. Its totient is φ = 38861856.

The previous prime is 85772597. The next prime is 85772641. The reversal of 85772612 is 21627758.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22787 + ... + 26282.

It is an arithmetic number, because the mean of its divisors is an integer number (6869800).

Almost surely, 2^85772612 is an apocalyptic number.

It is an amenable number.

85772612 is a deficient number, since it is larger than the sum of its proper divisors (79102588).

85772612 is a wasteful number, since it uses less digits than its factorization.

85772612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49115 (or 49113 counting only the distinct ones).

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

The square root of 85772612 is about 9261.3504414853. The cubic root of 85772612 is about 441.0111250564.

The spelling of 85772612 in words is "eighty-five million, seven hundred seventy-two thousand, six hundred twelve".