47787475 has 12 divisors (see below), whose sum is σ = 59344416. Its totient is φ = 38173280.

The previous prime is 47787469. The next prime is 47787497. The reversal of 47787475 is 57478774.

It is not a de Polignac number, because 47787475 - 2⁷ = 47787347 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26709 + ... + 28441.

It is an arithmetic number, because the mean of its divisors is an integer number (4945368).

Almost surely, 2^47787475 is an apocalyptic number.

47787475 is a deficient number, since it is larger than the sum of its proper divisors (11556941).

47787475 is a wasteful number, since it uses less digits than its factorization.

47787475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2846 (or 2841 counting only the distinct ones).

The product of its digits is 1536640, while the sum is 49.

The square root of 47787475 is about 6912.8485445582. The cubic root of 47787475 is about 362.8869589608.

The spelling of 47787475 in words is "forty-seven million, seven hundred eighty-seven thousand, four hundred seventy-five".