85519772 has 12 divisors (see below), whose sum is σ = 161171976. Its totient is φ = 39470640.

The previous prime is 85519769. The next prime is 85519787. The reversal of 85519772 is 27791558.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 822254 + ... + 822357.

It is an arithmetic number, because the mean of its divisors is an integer number (13430998).

Almost surely, 2^85519772 is an apocalyptic number.

It is an amenable number.

85519772 is a deficient number, since it is larger than the sum of its proper divisors (75652204).

85519772 is a wasteful number, since it uses less digits than its factorization.

85519772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1644628 (or 1644626 counting only the distinct ones).

The product of its digits is 176400, while the sum is 44.

The square root of 85519772 is about 9247.6900899630. The cubic root of 85519772 is about 440.5773618971.

The spelling of 85519772 in words is "eighty-five million, five hundred nineteen thousand, seven hundred seventy-two".