47878355 has 8 divisors (see below), whose sum is σ = 65661792. Its totient is φ = 32830848.

The previous prime is 47878297. The next prime is 47878357. The reversal of 47878355 is 55387874.

It is a happy number.

47878355 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 47878355 - 2⁸ = 47878099 is a prime.

It is not an unprimeable number, because it can be changed into a prime (47878357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 683942 + ... + 684011.

It is an arithmetic number, because the mean of its divisors is an integer number (8207724).

Almost surely, 2^47878355 is an apocalyptic number.

47878355 is a deficient number, since it is larger than the sum of its proper divisors (17783437).

47878355 is a wasteful number, since it uses less digits than its factorization.

47878355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1367965.

The product of its digits is 940800, while the sum is 47.

The square root of 47878355 is about 6919.4186894565. The cubic root of 47878355 is about 363.1168538081.

The spelling of 47878355 in words is "forty-seven million, eight hundred seventy-eight thousand, three hundred fifty-five".