47977483 has 4 divisors (see below), whose sum is σ = 48020248. Its totient is φ = 47934720.

The previous prime is 47977477. The next prime is 47977487. The reversal of 47977483 is 38477974.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 38477974 = 2 ⋅19238987.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47977483 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47977487) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 19653 + ... + 21958.

It is an arithmetic number, because the mean of its divisors is an integer number (12005062).

Almost surely, 2^47977483 is an apocalyptic number.

47977483 is a deficient number, since it is larger than the sum of its proper divisors (42765).

47977483 is a wasteful number, since it uses less digits than its factorization.

47977483 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42764.

The product of its digits is 1185408, while the sum is 49.

The square root of 47977483 is about 6926.5780151529. The cubic root of 47977483 is about 363.3672817553.

The spelling of 47977483 in words is "forty-seven million, nine hundred seventy-seven thousand, four hundred eighty-three".