85383739 has 16 divisors (see below), whose sum is σ = 103150080. Its totient is φ = 69042240.

The previous prime is 85383737. The next prime is 85383757. The reversal of 85383739 is 93738358.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 85383739 - 2¹ = 85383737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85383731) 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, 33759 + ... + 36199.

It is an arithmetic number, because the mean of its divisors is an integer number (6446880).

Almost surely, 2^85383739 is an apocalyptic number.

85383739 is a deficient number, since it is larger than the sum of its proper divisors (17766341).

85383739 is a wasteful number, since it uses less digits than its factorization.

85383739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2730.

The product of its digits is 544320, while the sum is 46.

The square root of 85383739 is about 9240.3321909983. The cubic root of 85383739 is about 440.3436347923.

The spelling of 85383739 in words is "eighty-five million, three hundred eighty-three thousand, seven hundred thirty-nine".