47927479 has 4 divisors (see below), whose sum is σ = 48466080. Its totient is φ = 47388880.

The previous prime is 47927449. The next prime is 47927491. The reversal of 47927479 is 97472974.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 97472974 = 2 ⋅48736487.

It is a cyclic number.

It is not a de Polignac number, because 47927479 - 2⁵ = 47927447 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 (47927419) 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, 269167 + ... + 269344.

It is an arithmetic number, because the mean of its divisors is an integer number (12116520).

Almost surely, 2^47927479 is an apocalyptic number.

47927479 is a deficient number, since it is larger than the sum of its proper divisors (538601).

47927479 is an equidigital number, since it uses as much as digits as its factorization.

47927479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538600.

The product of its digits is 889056, while the sum is 49.

The square root of 47927479 is about 6922.9674995626. The cubic root of 47927479 is about 363.2409993654.

The spelling of 47927479 in words is "forty-seven million, nine hundred twenty-seven thousand, four hundred seventy-nine".