30480505277 has 2 divisors, whose sum is σ = 30480505278. Its totient is φ = 30480505276.

The previous prime is 30480505241. The next prime is 30480505291. The reversal of 30480505277 is 77250508403.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22724356516 + 7756148761 = 150746^2 + 88069^2 .

It is a cyclic number.

It is not a de Polignac number, because 30480505277 - 2²⁸ = 30212069821 is a prime.

It is a super-2 number, since 2×30480505277² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30480505207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15240252638 + 15240252639.

It is an arithmetic number, because the mean of its divisors is an integer number (15240252639).

Almost surely, 2^30480505277 is an apocalyptic number.

It is an amenable number.

30480505277 is a deficient number, since it is larger than the sum of its proper divisors (1).

30480505277 is an equidigital number, since it uses as much as digits as its factorization.

30480505277 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 235200, while the sum is 41.

The spelling of 30480505277 in words is "thirty billion, four hundred eighty million, five hundred five thousand, two hundred seventy-seven".