47869669 has 4 divisors (see below), whose sum is σ = 48446496. Its totient is φ = 47292844.

The previous prime is 47869663. The next prime is 47869681. The reversal of 47869669 is 96696874.

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 47869669 - 2⁷ = 47869541 is a prime.

It is a super-2 number, since 2×47869669² = 4583010420339122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47869663) 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, 288289 + ... + 288454.

It is an arithmetic number, because the mean of its divisors is an integer number (12111624).

Almost surely, 2^47869669 is an apocalyptic number.

It is an amenable number.

47869669 is a deficient number, since it is larger than the sum of its proper divisors (576827).

47869669 is an equidigital number, since it uses as much as digits as its factorization.

47869669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 576826.

The product of its digits is 3919104, while the sum is 55.

The square root of 47869669 is about 6918.7910071052. The cubic root of 47869669 is about 363.0948938240.

The spelling of 47869669 in words is "forty-seven million, eight hundred sixty-nine thousand, six hundred sixty-nine".