47085615 has 12 divisors (see below), whose sum is σ = 81615144. Its totient is φ = 25112304.

The previous prime is 47085613. The next prime is 47085641. The reversal of 47085615 is 51658074.

It is not a de Polignac number, because 47085615 - 2¹ = 47085613 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 a self number, because there is not a number n which added to its sum of digits gives 47085615.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47085613) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 523129 + ... + 523218.

It is an arithmetic number, because the mean of its divisors is an integer number (6801262).

Almost surely, 2^47085615 is an apocalyptic number.

47085615 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

47085615 is a deficient number, since it is larger than the sum of its proper divisors (34529529).

47085615 is a wasteful number, since it uses less digits than its factorization.

47085615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1046358 (or 1046355 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 36.

The square root of 47085615 is about 6861.8958750479. The cubic root of 47085615 is about 361.1016025022.

The spelling of 47085615 in words is "forty-seven million, eighty-five thousand, six hundred fifteen".