2587078469 has 2 divisors, whose sum is σ = 2587078470. Its totient is φ = 2587078468.

The previous prime is 2587078447. The next prime is 2587078471. The reversal of 2587078469 is 9648707852.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1560645025 + 1026433444 = 39505^2 + 32038^2 .

It is a cyclic number.

It is not a de Polignac number, because 2587078469 - 2⁸ = 2587078213 is a prime.

It is a super-2 number, since 2×2587078469² = 13385950009526767922, which contains 22 as substring.

Together with 2587078471, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2587078409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1293539234 + 1293539235.

It is an arithmetic number, because the mean of its divisors is an integer number (1293539235).

Almost surely, 2^2587078469 is an apocalyptic number.

It is an amenable number.

2587078469 is a deficient number, since it is larger than the sum of its proper divisors (1).

2587078469 is an equidigital number, since it uses as much as digits as its factorization.

2587078469 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6773760, while the sum is 56.

The square root of 2587078469 is about 50863.3312809926. The cubic root of 2587078469 is about 1372.7871348807.

The spelling of 2587078469 in words is "two billion, five hundred eighty-seven million, seventy-eight thousand, four hundred sixty-nine".