47028878 has 8 divisors (see below), whose sum is σ = 75969768. Its totient is φ = 21705624.

The previous prime is 47028853. The next prime is 47028881. The reversal of 47028878 is 87882074.

It is a happy number.

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

It is a Curzon number.

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, 904376 + ... + 904427.

It is an arithmetic number, because the mean of its divisors is an integer number (9496221).

Almost surely, 2^47028878 is an apocalyptic number.

47028878 is a deficient number, since it is larger than the sum of its proper divisors (28940890).

47028878 is a wasteful number, since it uses less digits than its factorization.

47028878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1808818.

The product of its (nonzero) digits is 200704, while the sum is 44.

The square root of 47028878 is about 6857.7604215954. The cubic root of 47028878 is about 360.9565047107.

The spelling of 47028878 in words is "forty-seven million, twenty-eight thousand, eight hundred seventy-eight".