85244847 has 8 divisors (see below), whose sum is σ = 114136320. Its totient is φ = 56591640.

The previous prime is 85244843. The next prime is 85244857. The reversal of 85244847 is 74844258.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 85244847 - 2² = 85244843 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 85244799 and 85244808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85244843) 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, 58729 + ... + 60162.

It is an arithmetic number, because the mean of its divisors is an integer number (14267040).

Almost surely, 2^85244847 is an apocalyptic number.

85244847 is a deficient number, since it is larger than the sum of its proper divisors (28891473).

85244847 is a wasteful number, since it uses less digits than its factorization.

85244847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119133.

The product of its digits is 286720, while the sum is 42.

The square root of 85244847 is about 9232.8136014976. The cubic root of 85244847 is about 440.1047391840.

The spelling of 85244847 in words is "eighty-five million, two hundred forty-four thousand, eight hundred forty-seven".