47611982 has 16 divisors (see below), whose sum is σ = 78019632. Its totient is φ = 21611520.

The previous prime is 47611979. The next prime is 47611999. The reversal of 47611982 is 28911674.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 24428 + ... + 26304.

It is an arithmetic number, because the mean of its divisors is an integer number (4876227).

Almost surely, 2^47611982 is an apocalyptic number.

47611982 is a deficient number, since it is larger than the sum of its proper divisors (30407650).

47611982 is a wasteful number, since it uses less digits than its factorization.

47611982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3043.

The product of its digits is 24192, while the sum is 38.

The square root of 47611982 is about 6900.1436216937. The cubic root of 47611982 is about 362.4421964115.

The spelling of 47611982 in words is "forty-seven million, six hundred eleven thousand, nine hundred eighty-two".