2687486573477 has 2 divisors, whose sum is σ = 2687486573478. Its totient is φ = 2687486573476.

The previous prime is 2687486573423. The next prime is 2687486573489. The reversal of 2687486573477 is 7743756847862.

2687486573477 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2663730824836 + 23755748641 = 1632094^2 + 154129^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2687486573477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2687486573077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1343743286738 + 1343743286739.

It is an arithmetic number, because the mean of its divisors is an integer number (1343743286739).

Almost surely, 2^{2687486573477} is an apocalyptic number.

It is an amenable number.

2687486573477 is a deficient number, since it is larger than the sum of its proper divisors (1).

2687486573477 is an equidigital number, since it uses as much as digits as its factorization.

2687486573477 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2655313920, while the sum is 74.

The spelling of 2687486573477 in words is "two trillion, six hundred eighty-seven billion, four hundred eighty-six million, five hundred seventy-three thousand, four hundred seventy-seven".