2547957045877 has 2 divisors, whose sum is σ = 2547957045878. Its totient is φ = 2547957045876.

The previous prime is 2547957045869. The next prime is 2547957045913. The reversal of 2547957045877 is 7785407597452.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2542411116036 + 5545929841 = 1594494^2 + 74471^2 .

It is a cyclic number.

It is not a de Polignac number, because 2547957045877 - 2³ = 2547957045869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2547957042877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1273978522938 + 1273978522939.

It is an arithmetic number, because the mean of its divisors is an integer number (1273978522939).

Almost surely, 2^{2547957045877} is an apocalyptic number.

It is an amenable number.

2547957045877 is a deficient number, since it is larger than the sum of its proper divisors (1).

2547957045877 is an equidigital number, since it uses as much as digits as its factorization.

2547957045877 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 691488000, while the sum is 70.

The spelling of 2547957045877 in words is "two trillion, five hundred forty-seven billion, nine hundred fifty-seven million, forty-five thousand, eight hundred seventy-seven".