47071977 has 16 divisors (see below), whose sum is σ = 64901760. Its totient is φ = 30326400.

The previous prime is 47071951. The next prime is 47072009. The reversal of 47071977 is 77917074.

47071977 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 47071977 - 2¹⁶ = 47006441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (47071907) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 11652 + ... + 15162.

It is an arithmetic number, because the mean of its divisors is an integer number (4056360).

Almost surely, 2^47071977 is an apocalyptic number.

It is an amenable number.

47071977 is a deficient number, since it is larger than the sum of its proper divisors (17829783).

47071977 is a wasteful number, since it uses less digits than its factorization.

47071977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3664.

The product of its (nonzero) digits is 86436, while the sum is 42.

The square root of 47071977 is about 6860.9020543949. The cubic root of 47071977 is about 361.0667356665.

The spelling of 47071977 in words is "forty-seven million, seventy-one thousand, nine hundred seventy-seven".