85538782 has 32 divisors (see below), whose sum is σ = 151202304. Its totient is φ = 35532000.

The previous prime is 85538773. The next prime is 85538797. The reversal of 85538782 is 28783558.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90432 + ... + 91372.

It is an arithmetic number, because the mean of its divisors is an integer number (4725072).

Almost surely, 2^85538782 is an apocalyptic number.

85538782 is a deficient number, since it is larger than the sum of its proper divisors (65663522).

85538782 is a wasteful number, since it uses less digits than its factorization.

85538782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1144.

The product of its digits is 537600, while the sum is 46.

The square root of 85538782 is about 9248.7178570870. The cubic root of 85538782 is about 440.6100044659.

It can be divided in two parts, 85538 and 782, that added together give a triangular number (86320 = T₄₁₅).

The spelling of 85538782 in words is "eighty-five million, five hundred thirty-eight thousand, seven hundred eighty-two".