85313547 has 16 divisors (see below), whose sum is σ = 137880960. Its totient is φ = 51705000.

The previous prime is 85313539. The next prime is 85313549. The reversal of 85313547 is 74531358.

85313547 is a `hidden beast` number, since 85 + 31 + 3 + 547 = 666.

It is not a de Polignac number, because 85313547 - 2³ = 85313539 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (85313549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 143329 + ... + 143922.

It is an arithmetic number, because the mean of its divisors is an integer number (8617560).

Almost surely, 2^85313547 is an apocalyptic number.

85313547 is a deficient number, since it is larger than the sum of its proper divisors (52567413).

85313547 is a wasteful number, since it uses less digits than its factorization.

85313547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287271 (or 287265 counting only the distinct ones).

The product of its digits is 50400, while the sum is 36.

The square root of 85313547 is about 9236.5332782381. The cubic root of 85313547 is about 440.2229362675. Note that the first 3 decimals are identical.

It can be divided in two parts, 853 and 13547, that added together give a square (14400 = 120²).

The spelling of 85313547 in words is "eighty-five million, three hundred thirteen thousand, five hundred forty-seven".