85743399 has 16 divisors (see below), whose sum is σ = 132233472. Its totient is φ = 48404928.

The previous prime is 85743397. The next prime is 85743431. The reversal of 85743399 is 99334758.

It is not a de Polignac number, because 85743399 - 2¹ = 85743397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85743397) 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, 22854 + ... + 26339.

It is an arithmetic number, because the mean of its divisors is an integer number (8264592).

Almost surely, 2^85743399 is an apocalyptic number.

85743399 is a deficient number, since it is larger than the sum of its proper divisors (46490073).

85743399 is a wasteful number, since it uses less digits than its factorization.

85743399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49286.

The product of its digits is 816480, while the sum is 48.

The square root of 85743399 is about 9259.7731613685. The cubic root of 85743399 is about 440.9610518819.

The spelling of 85743399 in words is "eighty-five million, seven hundred forty-three thousand, three hundred ninety-nine".