47706477 has 16 divisors (see below), whose sum is σ = 78288000. Its totient is φ = 25163712.

The previous prime is 47706409. The next prime is 47706497. The reversal of 47706477 is 77460774.

It is not a de Polignac number, because 47706477 - 2²³ = 39317869 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47706497) 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 15 ways as a sum of consecutive naturals, for example, 87102 + ... + 87647.

It is an arithmetic number, because the mean of its divisors is an integer number (4893000).

Almost surely, 2^47706477 is an apocalyptic number.

It is an amenable number.

47706477 is a deficient number, since it is larger than the sum of its proper divisors (30581523).

47706477 is a wasteful number, since it uses less digits than its factorization.

47706477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174772.

The product of its (nonzero) digits is 230496, while the sum is 42.

The square root of 47706477 is about 6906.9875488522. The cubic root of 47706477 is about 362.6818163629.

The spelling of 47706477 in words is "forty-seven million, seven hundred six thousand, four hundred seventy-seven".