47946477 has 8 divisors (see below), whose sum is σ = 67689216. Its totient is φ = 30084032.

The previous prime is 47946469. The next prime is 47946499. The reversal of 47946477 is 77464974.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 47946477 - 2³ = 47946469 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47941477) 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 7 ways as a sum of consecutive naturals, for example, 470013 + ... + 470114.

It is an arithmetic number, because the mean of its divisors is an integer number (8461152).

Almost surely, 2^47946477 is an apocalyptic number.

It is an amenable number.

47946477 is a deficient number, since it is larger than the sum of its proper divisors (19742739).

47946477 is a wasteful number, since it uses less digits than its factorization.

47946477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 940147.

The product of its digits is 1185408, while the sum is 48.

The square root of 47946477 is about 6924.3394630824. The cubic root of 47946477 is about 363.2889881256.

The spelling of 47946477 in words is "forty-seven million, nine hundred forty-six thousand, four hundred seventy-seven".