85535705 has 8 divisors (see below), whose sum is σ = 102830472. Its totient is φ = 68303488.

The previous prime is 85535669. The next prime is 85535707. The reversal of 85535705 is 50753558.

It can be written as a sum of positive squares in 4 ways, for example, as 8042896 + 77492809 = 2836^2 + 8803^2 .

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 85535705 - 2¹² = 85531609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85535707) 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, 12572 + ... + 18141.

It is an arithmetic number, because the mean of its divisors is an integer number (12853809).

Almost surely, 2^85535705 is an apocalyptic number.

It is an amenable number.

85535705 is a deficient number, since it is larger than the sum of its proper divisors (17294767).

85535705 is a wasteful number, since it uses less digits than its factorization.

85535705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31275.

The product of its (nonzero) digits is 105000, while the sum is 38.

The square root of 85535705 is about 9248.5515082093. The cubic root of 85535705 is about 440.6047211967.

The spelling of 85535705 in words is "eighty-five million, five hundred thirty-five thousand, seven hundred five".