2487977131 has 2 divisors, whose sum is σ = 2487977132. Its totient is φ = 2487977130.

The previous prime is 2487977113. The next prime is 2487977143. The reversal of 2487977131 is 1317797842.

Together with previous prime (2487977113) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2487977131 - 2⁹ = 2487976619 is a prime.

It is a super-2 number, since 2×2487977131² = 12380060408757982322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2487977231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1243988565 + 1243988566.

It is an arithmetic number, because the mean of its divisors is an integer number (1243988566).

Almost surely, 2^2487977131 is an apocalyptic number.

2487977131 is a deficient number, since it is larger than the sum of its proper divisors (1).

2487977131 is an equidigital number, since it uses as much as digits as its factorization.

2487977131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 592704, while the sum is 49.

The square root of 2487977131 is about 49879.6264119931. The cubic root of 2487977131 is about 1355.0296387448.

The spelling of 2487977131 in words is "two billion, four hundred eighty-seven million, nine hundred seventy-seven thousand, one hundred thirty-one".