10181887 has 2 divisors, whose sum is σ = 10181888. Its totient is φ = 10181886.

The previous prime is 10181881. The next prime is 10181909. The reversal of 10181887 is 78818101.

It is a weak prime.

It is an emirp because it is prime and its reverse (78818101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10181887 - 2³ = 10181879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10181881) 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, 5090943 + 5090944.

It is an arithmetic number, because the mean of its divisors is an integer number (5090944).

Almost surely, 2^10181887 is an apocalyptic number.

10181887 is a deficient number, since it is larger than the sum of its proper divisors (1).

10181887 is an equidigital number, since it uses as much as digits as its factorization.

10181887 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3584, while the sum is 34.

The square root of 10181887 is about 3190.9069243712. The cubic root of 10181887 is about 216.7418408444.

Adding to 10181887 its reverse (78818101), we get a palindrome (88999988).

The spelling of 10181887 in words is "ten million, one hundred eighty-one thousand, eight hundred eighty-seven".