47558879 has 4 divisors (see below), whose sum is σ = 47576760. Its totient is φ = 47541000.

The previous prime is 47558873. The next prime is 47558899. The reversal of 47558879 is 97885574.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 97885574 = 2 ⋅48942787.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47558879 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 47558879.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47558873) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4064 + ... + 10565.

It is an arithmetic number, because the mean of its divisors is an integer number (11894190).

Almost surely, 2^47558879 is an apocalyptic number.

47558879 is a deficient number, since it is larger than the sum of its proper divisors (17881).

47558879 is a wasteful number, since it uses less digits than its factorization.

47558879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17880.

The product of its digits is 2822400, while the sum is 53.

The square root of 47558879 is about 6896.2945847752. The cubic root of 47558879 is about 362.3073989153.

The spelling of 47558879 in words is "forty-seven million, five hundred fifty-eight thousand, eight hundred seventy-nine".