47826122917 has 2 divisors, whose sum is σ = 47826122918. Its totient is φ = 47826122916.

The previous prime is 47826122909. The next prime is 47826122921. The reversal of 47826122917 is 71922162874.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24600667716 + 23225455201 = 156846^2 + 152399^2 .

It is a cyclic number.

It is not a de Polignac number, because 47826122917 - 2³ = 47826122909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47826122717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23913061458 + 23913061459.

It is an arithmetic number, because the mean of its divisors is an integer number (23913061459).

Almost surely, 2^47826122917 is an apocalyptic number.

It is an amenable number.

47826122917 is a deficient number, since it is larger than the sum of its proper divisors (1).

47826122917 is an equidigital number, since it uses as much as digits as its factorization.

47826122917 is an evil number, because the sum of its binary digits is even.

The product of its digits is 677376, while the sum is 49.

The spelling of 47826122917 in words is "forty-seven billion, eight hundred twenty-six million, one hundred twenty-two thousand, nine hundred seventeen".