47927847 has 32 divisors (see below), whose sum is σ = 72264960. Its totient is φ = 28005120.

The previous prime is 47927809. The next prime is 47927849. The reversal of 47927847 is 74872974.

It is not a de Polignac number, because 47927847 - 2¹¹ = 47925799 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 47927796 and 47927805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47927849) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 116979 + ... + 117387.

It is an arithmetic number, because the mean of its divisors is an integer number (2258280).

Almost surely, 2^47927847 is an apocalyptic number.

47927847 is a deficient number, since it is larger than the sum of its proper divisors (24337113).

47927847 is a wasteful number, since it uses less digits than its factorization.

47927847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 543.

The product of its digits is 790272, while the sum is 48.

The square root of 47927847 is about 6922.9940777094. The cubic root of 47927847 is about 363.2419290502.

The spelling of 47927847 in words is "forty-seven million, nine hundred twenty-seven thousand, eight hundred forty-seven".