47667865 has 32 divisors (see below), whose sum is σ = 70456320. Its totient is φ = 30227904.

The previous prime is 47667857. The next prime is 47667911. The reversal of 47667865 is 56876674.

It is not a de Polignac number, because 47667865 - 2³ = 47667857 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax 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, 27762 + ... + 29428.

It is an arithmetic number, because the mean of its divisors is an integer number (2201760).

Almost surely, 2^47667865 is an apocalyptic number.

It is an amenable number.

47667865 is a deficient number, since it is larger than the sum of its proper divisors (22788455).

47667865 is a wasteful number, since it uses less digits than its factorization.

47667865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1741.

The product of its digits is 1693440, while the sum is 49.

The square root of 47667865 is about 6904.1918426417. The cubic root of 47667865 is about 362.5839425104.

The spelling of 47667865 in words is "forty-seven million, six hundred sixty-seven thousand, eight hundred sixty-five".