85405713 has 8 divisors (see below), whose sum is σ = 117547776. Its totient is φ = 55100400.

The previous prime is 85405711. The next prime is 85405717. The reversal of 85405713 is 31750458.

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

It is not a de Polignac number, because 85405713 - 2¹ = 85405711 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (85405711) 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, 459078 + ... + 459263.

It is an arithmetic number, because the mean of its divisors is an integer number (14693472).

Almost surely, 2^85405713 is an apocalyptic number.

It is an amenable number.

85405713 is a deficient number, since it is larger than the sum of its proper divisors (32142063).

85405713 is a wasteful number, since it uses less digits than its factorization.

85405713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 918375.

The product of its (nonzero) digits is 16800, while the sum is 33.

The square root of 85405713 is about 9241.5211410243. The cubic root of 85405713 is about 440.3814065476.

The spelling of 85405713 in words is "eighty-five million, four hundred five thousand, seven hundred thirteen".