85739090 has 16 divisors (see below), whose sum is σ = 154949760. Its totient is φ = 34158000.

The previous prime is 85739081. The next prime is 85739117. The reversal of 85739090 is 9093758.

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, 14570 + ... + 19589.

It is an arithmetic number, because the mean of its divisors is an integer number (9684360).

Almost surely, 2^85739090 is an apocalyptic number.

85739090 is a deficient number, since it is larger than the sum of its proper divisors (69210670).

85739090 is a wasteful number, since it uses less digits than its factorization.

85739090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34417.

The product of its (nonzero) digits is 68040, while the sum is 41.

The square root of 85739090 is about 9259.5404853589. The cubic root of 85739090 is about 440.9536649848.

The spelling of 85739090 in words is "eighty-five million, seven hundred thirty-nine thousand, ninety".