47869771 has 4 divisors (see below), whose sum is σ = 48174832. Its totient is φ = 47564712.

The previous prime is 47869763. The next prime is 47869799. The reversal of 47869771 is 17796874.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 47869771 - 2³ = 47869763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47861771) 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, 152295 + ... + 152608.

It is an arithmetic number, because the mean of its divisors is an integer number (12043708).

Almost surely, 2^47869771 is an apocalyptic number.

47869771 is a deficient number, since it is larger than the sum of its proper divisors (305061).

47869771 is a wasteful number, since it uses less digits than its factorization.

47869771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305060.

The product of its digits is 592704, while the sum is 49.

The square root of 47869771 is about 6918.7983783313. The cubic root of 47869771 is about 363.0951517163.

The spelling of 47869771 in words is "forty-seven million, eight hundred sixty-nine thousand, seven hundred seventy-one".