85561335 has 12 divisors (see below), whose sum is σ = 148306392. Its totient is φ = 45632688.

The previous prime is 85561277. The next prime is 85561337. The reversal of 85561335 is 53316558.

85561335 is a `hidden beast` number, since 8 + 5 + 5 + 613 + 35 = 666.

It is not a de Polignac number, because 85561335 - 2⁹ = 85560823 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 85561335.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85561337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 950637 + ... + 950726.

It is an arithmetic number, because the mean of its divisors is an integer number (12358866).

Almost surely, 2^85561335 is an apocalyptic number.

85561335 is a deficient number, since it is larger than the sum of its proper divisors (62745057).

85561335 is a wasteful number, since it uses less digits than its factorization.

85561335 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1901374 (or 1901371 counting only the distinct ones).

The product of its digits is 54000, while the sum is 36.

The square root of 85561335 is about 9249.9370268127. The cubic root of 85561335 is about 440.6487245412.

The spelling of 85561335 in words is "eighty-five million, five hundred sixty-one thousand, three hundred thirty-five".