47886831 has 12 divisors (see below), whose sum is σ = 69260152. Its totient is φ = 31882896.

The previous prime is 47886823. The next prime is 47886833. The reversal of 47886831 is 13868874.

It is not a de Polignac number, because 47886831 - 2³ = 47886823 is a prime.

It is a super-2 number, since 2×47886831² = 4586297166445122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47886833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4860 + ... + 10926.

Almost surely, 2^47886831 is an apocalyptic number.

47886831 is a deficient number, since it is larger than the sum of its proper divisors (21373321).

47886831 is a wasteful number, since it uses less digits than its factorization.

47886831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6950 (or 6947 counting only the distinct ones).

The product of its digits is 258048, while the sum is 45.

The square root of 47886831 is about 6920.0311415484. The cubic root of 47886831 is about 363.1382803090.

The spelling of 47886831 in words is "forty-seven million, eight hundred eighty-six thousand, eight hundred thirty-one".