2487977 has 2 divisors, whose sum is σ = 2487978. Its totient is φ = 2487976.

The previous prime is 2487959. The next prime is 2487983. The reversal of 2487977 is 7797842.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1449616 + 1038361 = 1204^2 + 1019^2 .

It is a cyclic number.

It is not a de Polignac number, because 2487977 - 2¹² = 2483881 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2487907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1243988 + 1243989.

It is an arithmetic number, because the mean of its divisors is an integer number (1243989).

2^2487977 is an apocalyptic number.

It is an amenable number.

2487977 is a deficient number, since it is larger than the sum of its proper divisors (1).

2487977 is an equidigital number, since it uses as much as digits as its factorization.

2487977 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 197568, while the sum is 44.

The square root of 2487977 is about 1577.3322414761. The cubic root of 2487977 is about 135.5029614963.

The spelling of 2487977 in words is "two million, four hundred eighty-seven thousand, nine hundred seventy-seven".