85269784 has 16 divisors (see below), whose sum is σ = 160233120. Its totient is φ = 42540960.

The previous prime is 85269781. The next prime is 85269803. The reversal of 85269784 is 48796258.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85269781) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 7807 + ... + 15214.

It is an arithmetic number, because the mean of its divisors is an integer number (10014570).

Almost surely, 2^85269784 is an apocalyptic number.

It is an amenable number.

85269784 is a deficient number, since it is larger than the sum of its proper divisors (74963336).

85269784 is a wasteful number, since it uses less digits than its factorization.

85269784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23490 (or 23486 counting only the distinct ones).

The product of its digits is 967680, while the sum is 49.

The square root of 85269784 is about 9234.1639578253. The cubic root of 85269784 is about 440.1476501722.

The spelling of 85269784 in words is "eighty-five million, two hundred sixty-nine thousand, seven hundred eighty-four".