47800579 has 2 divisors, whose sum is σ = 47800580. Its totient is φ = 47800578.

The previous prime is 47800567. The next prime is 47800607. The reversal of 47800579 is 97500874.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47800579 - 2¹³ = 47792387 is a prime.

It is not a weakly prime, because it can be changed into another prime (47800079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23900289 + 23900290.

It is an arithmetic number, because the mean of its divisors is an integer number (23900290).

Almost surely, 2^47800579 is an apocalyptic number.

47800579 is a deficient number, since it is larger than the sum of its proper divisors (1).

47800579 is an equidigital number, since it uses as much as digits as its factorization.

47800579 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 70560, while the sum is 40.

The square root of 47800579 is about 6913.7962799030. The cubic root of 47800579 is about 362.9201255044.

It can be divided in two parts, 478005 and 79, that multiplied together give a triangular number (37762395 = T₈₆₉₀).

The spelling of 47800579 in words is "forty-seven million, eight hundred thousand, five hundred seventy-nine".