2487887477 has 2 divisors, whose sum is σ = 2487887478. Its totient is φ = 2487887476.

The previous prime is 2487887473. The next prime is 2487887497. The reversal of 2487887477 is 7747887842.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1769969041 + 717918436 = 42071^2 + 26794^2 .

It is a cyclic number.

It is not a de Polignac number, because 2487887477 - 2² = 2487887473 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2487887473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1243943738 + 1243943739.

It is an arithmetic number, because the mean of its divisors is an integer number (1243943739).

Almost surely, 2^2487887477 is an apocalyptic number.

It is an amenable number.

2487887477 is a deficient number, since it is larger than the sum of its proper divisors (1).

2487887477 is an equidigital number, since it uses as much as digits as its factorization.

2487887477 is an evil number, because the sum of its binary digits is even.

The product of its digits is 39337984, while the sum is 62.

The square root of 2487887477 is about 49878.7277002932. The cubic root of 2487887477 is about 1355.0133624314.

The spelling of 2487887477 in words is "two billion, four hundred eighty-seven million, eight hundred eighty-seven thousand, four hundred seventy-seven".