47000085 has 32 divisors (see below), whose sum is σ = 82349568. Its totient is φ = 22701120.

The previous prime is 47000081. The next prime is 47000117. The reversal of 47000085 is 58000074.

It is not a de Polignac number, because 47000085 - 2² = 47000081 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47000081) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 72774 + ... + 73416.

It is an arithmetic number, because the mean of its divisors is an integer number (2573424).

Almost surely, 2^47000085 is an apocalyptic number.

It is an amenable number.

47000085 is a deficient number, since it is larger than the sum of its proper divisors (35349483).

47000085 is a wasteful number, since it uses less digits than its factorization.

47000085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1105.

The product of its (nonzero) digits is 1120, while the sum is 24.

The square root of 47000085 is about 6855.6607996604. The cubic root of 47000085 is about 360.8828255671.

The spelling of 47000085 in words is "forty-seven million, eighty-five", and thus it is an aban number and an uban number.