47878976 has 28 divisors (see below), whose sum is σ = 95275908. Its totient is φ = 23872512.

The previous prime is 47878951. The next prime is 47878979. The reversal of 47878976 is 67987874.

It can be written as a sum of positive squares in 2 ways, for example, as 19149376 + 28729600 = 4376^2 + 5360^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47878979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28430 + ... + 30066.

It is an arithmetic number, because the mean of its divisors is an integer number (3402711).

Almost surely, 2^47878976 is an apocalyptic number.

It is an amenable number.

47878976 is a deficient number, since it is larger than the sum of its proper divisors (47396932).

47878976 is a wasteful number, since it uses less digits than its factorization.

47878976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2106 (or 2096 counting only the distinct ones).

The product of its digits is 4741632, while the sum is 56.

The square root of 47878976 is about 6919.4635630228. The cubic root of 47878976 is about 363.1184237213.

The spelling of 47878976 in words is "forty-seven million, eight hundred seventy-eight thousand, nine hundred seventy-six".