47617579 has 2 divisors, whose sum is σ = 47617580. Its totient is φ = 47617578.

The previous prime is 47617529. The next prime is 47617601. The reversal of 47617579 is 97571674.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 47617579 - 2¹¹ = 47615531 is a prime.

It is not a weakly prime, because it can be changed into another prime (47617529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23808789 + 23808790.

It is an arithmetic number, because the mean of its divisors is an integer number (23808790).

Almost surely, 2^47617579 is an apocalyptic number.

47617579 is a deficient number, since it is larger than the sum of its proper divisors (1).

47617579 is an equidigital number, since it uses as much as digits as its factorization.

47617579 is an evil number, because the sum of its binary digits is even.

The product of its digits is 370440, while the sum is 46.

The square root of 47617579 is about 6900.5491810435. The cubic root of 47617579 is about 362.4563980851.

The spelling of 47617579 in words is "forty-seven million, six hundred seventeen thousand, five hundred seventy-nine".