47292779 has 2 divisors, whose sum is σ = 47292780. Its totient is φ = 47292778.

The previous prime is 47292769. The next prime is 47292781. The reversal of 47292779 is 97729274.

47292779 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 47292779 - 2⁸ = 47292523 is a prime.

It is a super-3 number, since 3×47292779³ (a number of 24 digits) contains 333 as substring.

Together with 47292781, 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 (47292769) 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, 23646389 + 23646390.

It is an arithmetic number, because the mean of its divisors is an integer number (23646390).

Almost surely, 2^47292779 is an apocalyptic number.

47292779 is a deficient number, since it is larger than the sum of its proper divisors (1).

47292779 is an equidigital number, since it uses as much as digits as its factorization.

47292779 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 444528, while the sum is 47.

The square root of 47292779 is about 6876.9745528103. The cubic root of 47292779 is about 361.6304109234.

The spelling of 47292779 in words is "forty-seven million, two hundred ninety-two thousand, seven hundred seventy-nine".