47031739577 has 2 divisors, whose sum is σ = 47031739578. Its totient is φ = 47031739576.

The previous prime is 47031739571. The next prime is 47031739597. The reversal of 47031739577 is 77593713074.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27428659456 + 19603080121 = 165616^2 + 140011^2 .

It is a cyclic number.

It is not a de Polignac number, because 47031739577 - 2³⁴ = 29851870393 is a prime.

It is not a weakly prime, because it can be changed into another prime (47031739571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23515869788 + 23515869789.

It is an arithmetic number, because the mean of its divisors is an integer number (23515869789).

Almost surely, 2^47031739577 is an apocalyptic number.

It is an amenable number.

47031739577 is a deficient number, since it is larger than the sum of its proper divisors (1).

47031739577 is an equidigital number, since it uses as much as digits as its factorization.

47031739577 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3889620, while the sum is 53.

The spelling of 47031739577 in words is "forty-seven billion, thirty-one million, seven hundred thirty-nine thousand, five hundred seventy-seven".