47354779 has 2 divisors, whose sum is σ = 47354780. Its totient is φ = 47354778.

The previous prime is 47354777. The next prime is 47354789. The reversal of 47354779 is 97745374.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47354779 - 2¹ = 47354777 is a prime.

Together with 47354777, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (47354773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23677389 + 23677390.

It is an arithmetic number, because the mean of its divisors is an integer number (23677390).

Almost surely, 2^47354779 is an apocalyptic number.

47354779 is a deficient number, since it is larger than the sum of its proper divisors (1).

47354779 is an equidigital number, since it uses as much as digits as its factorization.

47354779 is an evil number, because the sum of its binary digits is even.

The product of its digits is 740880, while the sum is 46.

The square root of 47354779 is about 6881.4808726029. The cubic root of 47354779 is about 361.7883722810.

The spelling of 47354779 in words is "forty-seven million, three hundred fifty-four thousand, seven hundred seventy-nine".