47985895 has 4 divisors (see below), whose sum is σ = 57583080. Its totient is φ = 38388712.

The previous prime is 47985877. The next prime is 47985907. The reversal of 47985895 is 59858974.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 47985895 - 2¹⁷ = 47854823 is a prime.

It is a super-2 number, since 2×47985895² = 4605292237902050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4798585 + ... + 4798594.

It is an arithmetic number, because the mean of its divisors is an integer number (14395770).

Almost surely, 2^47985895 is an apocalyptic number.

47985895 is a deficient number, since it is larger than the sum of its proper divisors (9597185).

47985895 is an equidigital number, since it uses as much as digits as its factorization.

47985895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9597184.

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

The square root of 47985895 is about 6927.1852147896. The cubic root of 47985895 is about 363.3885171818.

The spelling of 47985895 in words is "forty-seven million, nine hundred eighty-five thousand, eight hundred ninety-five".