47659989 has 32 divisors (see below), whose sum is σ = 71680000. Its totient is φ = 27967680.

The previous prime is 47659987. The next prime is 47659991. The reversal of 47659989 is 98995674.

It is an interprime number because it is at equal distance from previous prime (47659987) and next prime (47659991).

It is not a de Polignac number, because 47659989 - 2¹ = 47659987 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47659987) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 95262 + ... + 95760.

It is an arithmetic number, because the mean of its divisors is an integer number (2240000).

Almost surely, 2^47659989 is an apocalyptic number.

It is an amenable number.

47659989 is a deficient number, since it is larger than the sum of its proper divisors (24020011).

47659989 is a wasteful number, since it uses less digits than its factorization.

47659989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 625.

The product of its digits is 4898880, while the sum is 57.

The square root of 47659989 is about 6903.6214409540. The cubic root of 47659989 is about 362.5639719046.

The spelling of 47659989 in words is "forty-seven million, six hundred fifty-nine thousand, nine hundred eighty-nine".