47809795 has 16 divisors (see below), whose sum is σ = 65882880. Its totient is φ = 32940000.

The previous prime is 47809789. The next prime is 47809823. The reversal of 47809795 is 59790874.

It is a happy number.

It is not a de Polignac number, because 47809795 - 2¹⁷ = 47678723 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21831 + ... + 23920.

It is an arithmetic number, because the mean of its divisors is an integer number (4117680).

Almost surely, 2^47809795 is an apocalyptic number.

47809795 is a deficient number, since it is larger than the sum of its proper divisors (18073085).

47809795 is a wasteful number, since it uses less digits than its factorization.

47809795 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45786.

The product of its (nonzero) digits is 635040, while the sum is 49.

The square root of 47809795 is about 6914.4627412403. The cubic root of 47809795 is about 362.9434477947.

The spelling of 47809795 in words is "forty-seven million, eight hundred nine thousand, seven hundred ninety-five".