47878375 has 16 divisors (see below), whose sum is σ = 63269856. Its totient is φ = 36048000.

The previous prime is 47878373. The next prime is 47878379. The reversal of 47878375 is 57387874.

It is not a de Polignac number, because 47878375 - 2¹ = 47878373 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 (47878373) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9141 + ... + 13390.

It is an arithmetic number, because the mean of its divisors is an integer number (3954366).

Almost surely, 2^47878375 is an apocalyptic number.

47878375 is a deficient number, since it is larger than the sum of its proper divisors (15391481).

47878375 is a wasteful number, since it uses less digits than its factorization.

47878375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22563 (or 22553 counting only the distinct ones).

The product of its digits is 1317120, while the sum is 49.

The square root of 47878375 is about 6919.4201346645. The cubic root of 47878375 is about 363.1169043691.

The spelling of 47878375 in words is "forty-seven million, eight hundred seventy-eight thousand, three hundred seventy-five".