85838535 has 96 divisors (see below), whose sum is σ = 166053888. Its totient is φ = 42456960.

The previous prime is 85838531. The next prime is 85838537. The reversal of 85838535 is 53583858.

85838535 is a `hidden beast` number, since 85 + 8 + 38 + 535 = 666.

It is not a de Polignac number, because 85838535 - 2² = 85838531 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85838531) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1619569 + ... + 1619621.

It is an arithmetic number, because the mean of its divisors is an integer number (1729728).

Almost surely, 2^85838535 is an apocalyptic number.

85838535 is a deficient number, since it is larger than the sum of its proper divisors (80215353).

85838535 is a wasteful number, since it uses less digits than its factorization.

85838535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147 (or 135 counting only the distinct ones).

The product of its digits is 576000, while the sum is 45.

The square root of 85838535 is about 9264.9087960972. The cubic root of 85838535 is about 441.1240800376.

It can be divided in two parts, 8583853 and 5, that added together give a palindrome (8583858).

The spelling of 85838535 in words is "eighty-five million, eight hundred thirty-eight thousand, five hundred thirty-five".