47074877 has 2 divisors, whose sum is σ = 47074878. Its totient is φ = 47074876.

The previous prime is 47074873. The next prime is 47074879. The reversal of 47074877 is 77847074.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34035556 + 13039321 = 5834^2 + 3611^2 .

It is a cyclic number.

It is not a de Polignac number, because 47074877 - 2² = 47074873 is a prime.

Together with 47074879, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47074873) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23537438 + 23537439.

It is an arithmetic number, because the mean of its divisors is an integer number (23537439).

Almost surely, 2^47074877 is an apocalyptic number.

It is an amenable number.

47074877 is a deficient number, since it is larger than the sum of its proper divisors (1).

47074877 is an equidigital number, since it uses as much as digits as its factorization.

47074877 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 307328, while the sum is 44.

The square root of 47074877 is about 6861.1133936119. The cubic root of 47074877 is about 361.0741503543.

The spelling of 47074877 in words is "forty-seven million, seventy-four thousand, eight hundred seventy-seven".