47785825 has 6 divisors (see below), whose sum is σ = 59254454. Its totient is φ = 38228640.

The previous prime is 47785799. The next prime is 47785841. The reversal of 47785825 is 52858774.

47785825 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 767376 + 47018449 = 876^2 + 6857^2 .

It is not a de Polignac number, because 47785825 - 2⁹ = 47785313 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 955692 + ... + 955741.

Almost surely, 2^47785825 is an apocalyptic number.

It is an amenable number.

47785825 is a deficient number, since it is larger than the sum of its proper divisors (11468629).

47785825 is a wasteful number, since it uses less digits than its factorization.

47785825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1911443 (or 1911438 counting only the distinct ones).

The product of its digits is 627200, while the sum is 46.

The square root of 47785825 is about 6912.7292005401. The cubic root of 47785825 is about 362.8827823407.

The spelling of 47785825 in words is "forty-seven million, seven hundred eighty-five thousand, eight hundred twenty-five".