22587857115287 has 2 divisors, whose sum is σ = 22587857115288. Its totient is φ = 22587857115286.

The previous prime is 22587857115251. The next prime is 22587857115293. The reversal of 22587857115287 is 78251175878522.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22587857115287 - 2¹⁸ = 22587856853143 is a prime.

It is a super-2 number, since 2×22587857115287² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22587857115587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11293928557643 + 11293928557644.

It is an arithmetic number, because the mean of its divisors is an integer number (11293928557644).

Almost surely, 2^{22587857115287} is an apocalyptic number.

22587857115287 is a deficient number, since it is larger than the sum of its proper divisors (1).

22587857115287 is an equidigital number, since it uses as much as digits as its factorization.

22587857115287 is an evil number, because the sum of its binary digits is even.

The product of its digits is 175616000, while the sum is 68.

The spelling of 22587857115287 in words is "twenty-two trillion, five hundred eighty-seven billion, eight hundred fifty-seven million, one hundred fifteen thousand, two hundred eighty-seven".