887881263791 has 2 divisors, whose sum is σ = 887881263792. Its totient is φ = 887881263790.

The previous prime is 887881263743. The next prime is 887881263799. The reversal of 887881263791 is 197362188788.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 887881263791 - 2¹⁸ = 887881001647 is a prime.

It is a super-2 number, since 2×887881263791² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (887881263799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 443940631895 + 443940631896.

It is an arithmetic number, because the mean of its divisors is an integer number (443940631896).

Almost surely, 2^887881263791 is an apocalyptic number.

887881263791 is a deficient number, since it is larger than the sum of its proper divisors (1).

887881263791 is an equidigital number, since it uses as much as digits as its factorization.

887881263791 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 65028096, while the sum is 68.

The spelling of 887881263791 in words is "eight hundred eighty-seven billion, eight hundred eighty-one million, two hundred sixty-three thousand, seven hundred ninety-one".