48173173129877 has 2 divisors, whose sum is σ = 48173173129878. Its totient is φ = 48173173129876.

The previous prime is 48173173129811. The next prime is 48173173129891. The reversal of 48173173129877 is 77892137137184.

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., 45992350078756 + 2180823051121 = 6781766^2 + 1476761^2 .

It is a cyclic number.

It is not a de Polignac number, because 48173173129877 - 2¹⁸ = 48173172867733 is a prime.

It is a super-2 number, since 2×48173173129877² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (48173173126877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24086586564938 + 24086586564939.

It is an arithmetic number, because the mean of its divisors is an integer number (24086586564939).

Almost surely, 2^{48173173129877} is an apocalyptic number.

It is an amenable number.

48173173129877 is a deficient number, since it is larger than the sum of its proper divisors (1).

48173173129877 is an equidigital number, since it uses as much as digits as its factorization.

48173173129877 is an evil number, because the sum of its binary digits is even.

The product of its digits is 99574272, while the sum is 68.

The spelling of 48173173129877 in words is "forty-eight trillion, one hundred seventy-three billion, one hundred seventy-three million, one hundred twenty-nine thousand, eight hundred seventy-seven".