47869577 has 4 divisors (see below), whose sum is σ = 54708096. Its totient is φ = 41031060.

The previous prime is 47869573. The next prime is 47869579. The reversal of 47869577 is 77596874.

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 not a de Polignac number, because 47869577 - 2² = 47869573 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47869573) 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, 3419249 + ... + 3419262.

It is an arithmetic number, because the mean of its divisors is an integer number (13677024).

Almost surely, 2^47869577 is an apocalyptic number.

It is an amenable number.

47869577 is a deficient number, since it is larger than the sum of its proper divisors (6838519).

47869577 is an equidigital number, since it uses as much as digits as its factorization.

47869577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6838518.

The product of its digits is 2963520, while the sum is 53.

The square root of 47869577 is about 6918.7843585416. The cubic root of 47869577 is about 363.0946612150.

The spelling of 47869577 in words is "forty-seven million, eight hundred sixty-nine thousand, five hundred seventy-seven".