847880085 has 32 divisors (see below), whose sum is σ = 1463817600. Its totient is φ = 416602368.

The previous prime is 847880051. The next prime is 847880147. The reversal of 847880085 is 580088748.

It is not a de Polignac number, because 847880085 - 2⁶ = 847880021 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 102691 + ... + 110639.

It is an arithmetic number, because the mean of its divisors is an integer number (45744300).

Almost surely, 2^847880085 is an apocalyptic number.

It is an amenable number.

847880085 is a deficient number, since it is larger than the sum of its proper divisors (615937515).

847880085 is a wasteful number, since it uses less digits than its factorization.

847880085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8517.

The product of its (nonzero) digits is 573440, while the sum is 48.

The square root of 847880085 is about 29118.3805353251. The cubic root of 847880085 is about 946.4800803633.

The spelling of 847880085 in words is "eight hundred forty-seven million, eight hundred eighty thousand, eighty-five".