47959885 has 4 divisors (see below), whose sum is σ = 57551868. Its totient is φ = 38367904.

The previous prime is 47959843. The next prime is 47959897. The reversal of 47959885 is 58895974.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 58895974 = 2 ⋅29447987.

It can be written as a sum of positive squares in 2 ways, for example, as 30437289 + 17522596 = 5517^2 + 4186^2 .

It is a cyclic number.

It is not a de Polignac number, because 47959885 - 2¹⁷ = 47828813 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4795984 + ... + 4795993.

It is an arithmetic number, because the mean of its divisors is an integer number (14387967).

Almost surely, 2^47959885 is an apocalyptic number.

It is an amenable number.

47959885 is a deficient number, since it is larger than the sum of its proper divisors (9591983).

47959885 is an equidigital number, since it uses as much as digits as its factorization.

47959885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9591982.

The product of its digits is 3628800, while the sum is 55.

The square root of 47959885 is about 6925.3075743970. The cubic root of 47959885 is about 363.3228489713.

The spelling of 47959885 in words is "forty-seven million, nine hundred fifty-nine thousand, eight hundred eighty-five".