87714688641777 has 12 divisors (see below), whose sum is σ = 126720835668804. Its totient is φ = 58466378649600.

The previous prime is 87714688641743. The next prime is 87714688641791. The reversal of 87714688641777 is 77714688641778.

87714688641777 is a `hidden beast` number, since 8 + 7 + 7 + 1 + 468 + 86 + 4 + 1 + 7 + 77 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 43029086838336 + 44685601803441 = 6559656^2 + 6684729^2 .

It is not a de Polignac number, because 87714688641777 - 2⁷ = 87714688641649 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 87714688641696 and 87714688641705.

It is not an unprimeable number, because it can be changed into a prime (87714688641707) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 839981968 + ... + 840086385.

It is an arithmetic number, because the mean of its divisors is an integer number (10560069639067).

Almost surely, 2^{87714688641777} is an apocalyptic number.

It is an amenable number.

87714688641777 is a deficient number, since it is larger than the sum of its proper divisors (39006147027027).

87714688641777 is a wasteful number, since it uses less digits than its factorization.

87714688641777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1680074160 (or 1680074157 counting only the distinct ones).

The product of its digits is 4956585984, while the sum is 81.

Subtracting from 87714688641777 its reverse (77714688641778), we obtain a palindrome (9999999999999).

The spelling of 87714688641777 in words is "eighty-seven trillion, seven hundred fourteen billion, six hundred eighty-eight million, six hundred forty-one thousand, seven hundred seventy-seven".