85537693 has 8 divisors (see below), whose sum is σ = 90650880. Its totient is φ = 80433600.

The previous prime is 85537691. The next prime is 85537709. The reversal of 85537693 is 39673558.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 85537693 - 2¹ = 85537691 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85537691) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31878 + ... + 34456.

It is an arithmetic number, because the mean of its divisors is an integer number (11331360).

Almost surely, 2^85537693 is an apocalyptic number.

It is an amenable number.

85537693 is a deficient number, since it is larger than the sum of its proper divisors (5113187).

85537693 is a wasteful number, since it uses less digits than its factorization.

85537693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4547.

The product of its digits is 680400, while the sum is 46.

The square root of 85537693 is about 9248.6589838744. The cubic root of 85537693 is about 440.6081346461.

The spelling of 85537693 in words is "eighty-five million, five hundred thirty-seven thousand, six hundred ninety-three".