47745679 has 2 divisors, whose sum is σ = 47745680. Its totient is φ = 47745678.

The previous prime is 47745671. The next prime is 47745683. The reversal of 47745679 is 97654774.

47745679 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 47745679 - 2³ = 47745671 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47745671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23872839 + 23872840.

It is an arithmetic number, because the mean of its divisors is an integer number (23872840).

Almost surely, 2^47745679 is an apocalyptic number.

47745679 is a deficient number, since it is larger than the sum of its proper divisors (1).

47745679 is an equidigital number, since it uses as much as digits as its factorization.

47745679 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1481760, while the sum is 49.

The square root of 47745679 is about 6909.8248168821. The cubic root of 47745679 is about 362.7811317375.

The spelling of 47745679 in words is "forty-seven million, seven hundred forty-five thousand, six hundred seventy-nine".