85553847 has 16 divisors (see below), whose sum is σ = 126976000. Its totient is φ = 56932632.

The previous prime is 85553833. The next prime is 85553849. The reversal of 85553847 is 74835558.

It is not a de Polignac number, because 85553847 - 2⁷ = 85553719 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85553849) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14154 + ... + 19272.

It is an arithmetic number, because the mean of its divisors is an integer number (7936000).

Almost surely, 2^85553847 is an apocalyptic number.

85553847 is a deficient number, since it is larger than the sum of its proper divisors (41422153).

85553847 is a wasteful number, since it uses less digits than its factorization.

85553847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5747 (or 5741 counting only the distinct ones).

The product of its digits is 672000, while the sum is 45.

The square root of 85553847 is about 9249.5322584442. The cubic root of 85553847 is about 440.6358695372.

The spelling of 85553847 in words is "eighty-five million, five hundred fifty-three thousand, eight hundred forty-seven".