47879878 has 8 divisors (see below), whose sum is σ = 72685368. Its totient is φ = 23651424.

The previous prime is 47879873. The next prime is 47879891. The reversal of 47879878 is 87897874.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47879873) 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, 144051 + ... + 144382.

It is an arithmetic number, because the mean of its divisors is an integer number (9085671).

Almost surely, 2^47879878 is an apocalyptic number.

47879878 is a deficient number, since it is larger than the sum of its proper divisors (24805490).

47879878 is a wasteful number, since it uses less digits than its factorization.

47879878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288518.

The product of its digits is 6322176, while the sum is 58.

The square root of 47879878 is about 6919.5287411788. The cubic root of 47879878 is about 363.1207039898.

The spelling of 47879878 in words is "forty-seven million, eight hundred seventy-nine thousand, eight hundred seventy-eight".