47377173377 has 2 divisors, whose sum is σ = 47377173378. Its totient is φ = 47377173376.

The previous prime is 47377173331. The next prime is 47377173407. The reversal of 47377173377 is 77337177374.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46363133041 + 1014040336 = 215321^2 + 31844^2 .

It is a cyclic number.

It is not a de Polignac number, because 47377173377 - 2¹⁸ = 47376911233 is a prime.

It is not a weakly prime, because it can be changed into another prime (47377173307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23688586688 + 23688586689.

It is an arithmetic number, because the mean of its divisors is an integer number (23688586689).

Almost surely, 2^47377173377 is an apocalyptic number.

It is an amenable number.

47377173377 is a deficient number, since it is larger than the sum of its proper divisors (1).

47377173377 is an equidigital number, since it uses as much as digits as its factorization.

47377173377 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12706092, while the sum is 56.

The spelling of 47377173377 in words is "forty-seven billion, three hundred seventy-seven million, one hundred seventy-three thousand, three hundred seventy-seven".