85519773 has 16 divisors (see below), whose sum is σ = 132205440. Its totient is φ = 54533952.

The previous prime is 85519769. The next prime is 85519787. The reversal of 85519773 is 37791558.

85519773 is a `hidden beast` number, since 8 + 551 + 97 + 7 + 3 = 666.

It is not a de Polignac number, because 85519773 - 2² = 85519769 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85519723) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68236 + ... + 69477.

It is an arithmetic number, because the mean of its divisors is an integer number (8262840).

Almost surely, 2^85519773 is an apocalyptic number.

It is an amenable number.

85519773 is a deficient number, since it is larger than the sum of its proper divisors (46685667).

85519773 is a wasteful number, since it uses less digits than its factorization.

85519773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137745 (or 137739 counting only the distinct ones).

The product of its digits is 264600, while the sum is 45.

The square root of 85519773 is about 9247.6901440306. The cubic root of 85519773 is about 440.5773636143.

The spelling of 85519773 in words is "eighty-five million, five hundred nineteen thousand, seven hundred seventy-three".