47839704677 has 2 divisors, whose sum is σ = 47839704678. Its totient is φ = 47839704676.

The previous prime is 47839704617. The next prime is 47839704721. The reversal of 47839704677 is 77640793874.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47175405601 + 664299076 = 217199^2 + 25774^2 .

It is a cyclic number.

It is not a de Polignac number, because 47839704677 - 2²⁰ = 47838656101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47839704617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23919852338 + 23919852339.

It is an arithmetic number, because the mean of its divisors is an integer number (23919852339).

Almost surely, 2^47839704677 is an apocalyptic number.

It is an amenable number.

47839704677 is a deficient number, since it is larger than the sum of its proper divisors (1).

47839704677 is an equidigital number, since it uses as much as digits as its factorization.

47839704677 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 49787136, while the sum is 62.

The spelling of 47839704677 in words is "forty-seven billion, eight hundred thirty-nine million, seven hundred four thousand, six hundred seventy-seven".