47870785 has 16 divisors (see below), whose sum is σ = 62107200. Its totient is φ = 35297856.

The previous prime is 47870783. The next prime is 47870807. The reversal of 47870785 is 58707874.

47870785 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 47870785 - 2¹ = 47870783 is a prime.

It is a super-2 number, since 2×47870785² = 4583224113032450, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (47870783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3295 + ... + 10324.

It is an arithmetic number, because the mean of its divisors is an integer number (3881700).

Almost surely, 2^47870785 is an apocalyptic number.

It is an amenable number.

47870785 is a deficient number, since it is larger than the sum of its proper divisors (14236415).

47870785 is a wasteful number, since it uses less digits than its factorization.

47870785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13680.

The product of its (nonzero) digits is 439040, while the sum is 46.

The square root of 47870785 is about 6918.8716565637. The cubic root of 47870785 is about 363.0977154489.

The spelling of 47870785 in words is "forty-seven million, eight hundred seventy thousand, seven hundred eighty-five".