47225644177 has 2 divisors, whose sum is σ = 47225644178. Its totient is φ = 47225644176.

The previous prime is 47225644159. The next prime is 47225644211. The reversal of 47225644177 is 77144652274.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41890218241 + 5335425936 = 204671^2 + 73044^2 .

It is a cyclic number.

It is not a de Polignac number, because 47225644177 - 2⁷ = 47225644049 is a prime.

It is a super-2 number, since 2×47225644177² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 47225644177.

It is not a weakly prime, because it can be changed into another prime (47225648177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23612822088 + 23612822089.

It is an arithmetic number, because the mean of its divisors is an integer number (23612822089).

Almost surely, 2^47225644177 is an apocalyptic number.

It is an amenable number.

47225644177 is a deficient number, since it is larger than the sum of its proper divisors (1).

47225644177 is an equidigital number, since it uses as much as digits as its factorization.

47225644177 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2634240, while the sum is 49.

The spelling of 47225644177 in words is "forty-seven billion, two hundred twenty-five million, six hundred forty-four thousand, one hundred seventy-seven".