47111708377 has 2 divisors, whose sum is σ = 47111708378. Its totient is φ = 47111708376.

The previous prime is 47111708351. The next prime is 47111708383. The reversal of 47111708377 is 77380711174.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35598632976 + 11513075401 = 188676^2 + 107299^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47111708377 is a prime.

It is not a weakly prime, because it can be changed into another prime (47111708317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23555854188 + 23555854189.

It is an arithmetic number, because the mean of its divisors is an integer number (23555854189).

Almost surely, 2^47111708377 is an apocalyptic number.

It is an amenable number.

47111708377 is a deficient number, since it is larger than the sum of its proper divisors (1).

47111708377 is an equidigital number, since it uses as much as digits as its factorization.

47111708377 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 230496, while the sum is 46.

The spelling of 47111708377 in words is "forty-seven billion, one hundred eleven million, seven hundred eight thousand, three hundred seventy-seven".