47976686 has 16 divisors (see below), whose sum is σ = 76355136. Its totient is φ = 22530816.

The previous prime is 47976671. The next prime is 47976727. The reversal of 47976686 is 68667974.

It is a happy number.

47976686 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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, 19835 + ... + 22121.

It is an arithmetic number, because the mean of its divisors is an integer number (4772196).

Almost surely, 2^47976686 is an apocalyptic number.

47976686 is a deficient number, since it is larger than the sum of its proper divisors (28378450).

47976686 is a wasteful number, since it uses less digits than its factorization.

47976686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2923.

The product of its digits is 3048192, while the sum is 53.

The square root of 47976686 is about 6926.5204828976. The cubic root of 47976686 is about 363.3652696633.

The spelling of 47976686 in words is "forty-seven million, nine hundred seventy-six thousand, six hundred eighty-six".