2680478631487 has 2 divisors, whose sum is σ = 2680478631488. Its totient is φ = 2680478631486.

The previous prime is 2680478631407. The next prime is 2680478631541. The reversal of 2680478631487 is 7841368740862.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2680478631487 - 2¹⁹ = 2680478107199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2680478631407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1340239315743 + 1340239315744.

It is an arithmetic number, because the mean of its divisors is an integer number (1340239315744).

Almost surely, 2^{2680478631487} is an apocalyptic number.

2680478631487 is a deficient number, since it is larger than the sum of its proper divisors (1).

2680478631487 is an equidigital number, since it uses as much as digits as its factorization.

2680478631487 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 86704128, while the sum is 64.

The spelling of 2680478631487 in words is "two trillion, six hundred eighty billion, four hundred seventy-eight million, six hundred thirty-one thousand, four hundred eighty-seven".