20627117182487 has 2 divisors, whose sum is σ = 20627117182488. Its totient is φ = 20627117182486.

The previous prime is 20627117182459. The next prime is 20627117182501. The reversal of 20627117182487 is 78428171172602.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20627117182487 - 2¹⁶ = 20627117116951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20627117182457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10313558591243 + 10313558591244.

It is an arithmetic number, because the mean of its divisors is an integer number (10313558591244).

Almost surely, 2^{20627117182487} is an apocalyptic number.

20627117182487 is a deficient number, since it is larger than the sum of its proper divisors (1).

20627117182487 is an equidigital number, since it uses as much as digits as its factorization.

20627117182487 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4214784, while the sum is 56.

The spelling of 20627117182487 in words is "twenty trillion, six hundred twenty-seven billion, one hundred seventeen million, one hundred eighty-two thousand, four hundred eighty-seven".