47271877 has 4 divisors (see below), whose sum is σ = 49327200. Its totient is φ = 45216556.

The previous prime is 47271863. The next prime is 47271899. The reversal of 47271877 is 77817274.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 47271877 - 2¹¹ = 47269829 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 (47271857) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1027627 + ... + 1027672.

It is an arithmetic number, because the mean of its divisors is an integer number (12331800).

Almost surely, 2^47271877 is an apocalyptic number.

It is an amenable number.

47271877 is a deficient number, since it is larger than the sum of its proper divisors (2055323).

47271877 is a wasteful number, since it uses less digits than its factorization.

47271877 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2055322.

The product of its digits is 153664, while the sum is 43.

The square root of 47271877 is about 6875.4546758742. The cubic root of 47271877 is about 361.5771264483.

The spelling of 47271877 in words is "forty-seven million, two hundred seventy-one thousand, eight hundred seventy-seven".