47512879 has 2 divisors, whose sum is σ = 47512880. Its totient is φ = 47512878.

The previous prime is 47512867. The next prime is 47512903. The reversal of 47512879 is 97821574.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47512879 - 2¹¹ = 47510831 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47512079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23756439 + 23756440.

It is an arithmetic number, because the mean of its divisors is an integer number (23756440).

Almost surely, 2^47512879 is an apocalyptic number.

47512879 is a deficient number, since it is larger than the sum of its proper divisors (1).

47512879 is an equidigital number, since it uses as much as digits as its factorization.

47512879 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 141120, while the sum is 43.

The square root of 47512879 is about 6892.9586535827. The cubic root of 47512879 is about 362.1905506570.

The spelling of 47512879 in words is "forty-seven million, five hundred twelve thousand, eight hundred seventy-nine".