47578959 has 6 divisors (see below), whose sum is σ = 68725176. Its totient is φ = 31719300.

The previous prime is 47578931. The next prime is 47578961. The reversal of 47578959 is 95987574.

It is not a de Polignac number, because 47578959 - 2⁸ = 47578703 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47578919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2643267 + ... + 2643284.

It is an arithmetic number, because the mean of its divisors is an integer number (11454196).

Almost surely, 2^47578959 is an apocalyptic number.

47578959 is a deficient number, since it is larger than the sum of its proper divisors (21146217).

47578959 is a wasteful number, since it uses less digits than its factorization.

47578959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5286557 (or 5286554 counting only the distinct ones).

The product of its digits is 3175200, while the sum is 54.

The square root of 47578959 is about 6897.7502854192. The cubic root of 47578959 is about 362.3583820971.

The spelling of 47578959 in words is "forty-seven million, five hundred seventy-eight thousand, nine hundred fifty-nine".