47869579 has 2 divisors, whose sum is σ = 47869580. Its totient is φ = 47869578.

The previous prime is 47869573. The next prime is 47869609. The reversal of 47869579 is 97596874.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47869579 - 2⁹ = 47869067 is a prime.

It is not a weakly prime, because it can be changed into another prime (47869573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23934789 + 23934790.

It is an arithmetic number, because the mean of its divisors is an integer number (23934790).

Almost surely, 2^47869579 is an apocalyptic number.

47869579 is a deficient number, since it is larger than the sum of its proper divisors (1).

47869579 is an equidigital number, since it uses as much as digits as its factorization.

47869579 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3810240, while the sum is 55.

The square root of 47869579 is about 6918.7845030757. The cubic root of 47869579 is about 363.0946662717.

It can be divided in two parts, 4786 and 9579, that added together give a triangular number (14365 = T₁₆₉).

The spelling of 47869579 in words is "forty-seven million, eight hundred sixty-nine thousand, five hundred seventy-nine".