47867579 has 2 divisors, whose sum is σ = 47867580. Its totient is φ = 47867578.

The previous prime is 47867549. The next prime is 47867621. The reversal of 47867579 is 97576874.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47867579 - 2²⁴ = 31090363 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 47867579.

It is not a weakly prime, because it can be changed into another prime (47867509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23933789 + 23933790.

It is an arithmetic number, because the mean of its divisors is an integer number (23933790).

Almost surely, 2^47867579 is an apocalyptic number.

47867579 is a deficient number, since it is larger than the sum of its proper divisors (1).

47867579 is an equidigital number, since it uses as much as digits as its factorization.

47867579 is an evil number, because the sum of its binary digits is even.

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

The square root of 47867579 is about 6918.6399675081. The cubic root of 47867579 is about 363.0896094801.

The spelling of 47867579 in words is "forty-seven million, eight hundred sixty-seven thousand, five hundred seventy-nine".