47484477 has 12 divisors (see below), whose sum is σ = 72198880. Its totient is φ = 29990088.

The previous prime is 47484469. The next prime is 47484497. The reversal of 47484477 is 77448474.

It is not a de Polignac number, because 47484477 - 2³ = 47484469 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47484407) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 138673 + ... + 139014.

Almost surely, 2^47484477 is an apocalyptic number.

It is an amenable number.

47484477 is a deficient number, since it is larger than the sum of its proper divisors (24714403).

47484477 is a wasteful number, since it uses less digits than its factorization.

47484477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277712 (or 277709 counting only the distinct ones).

The product of its digits is 702464, while the sum is 45.

The square root of 47484477 is about 6890.8981272400. The cubic root of 47484477 is about 362.1183668150.

It can be divided in two parts, 47484 and 477, that added together give a square (47961 = 219²).

The spelling of 47484477 in words is "forty-seven million, four hundred eighty-four thousand, four hundred seventy-seven".