87676510717 has 2 divisors, whose sum is σ = 87676510718. Its totient is φ = 87676510716.

The previous prime is 87676510687. The next prime is 87676510723. The reversal of 87676510717 is 71701567678.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 62906157721 + 24770352996 = 250811^2 + 157386^2 .

It is a cyclic number.

It is not a de Polignac number, because 87676510717 - 2³¹ = 85529027069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87676510217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43838255358 + 43838255359.

It is an arithmetic number, because the mean of its divisors is an integer number (43838255359).

Almost surely, 2^87676510717 is an apocalyptic number.

It is an amenable number.

87676510717 is a deficient number, since it is larger than the sum of its proper divisors (1).

87676510717 is an equidigital number, since it uses as much as digits as its factorization.

87676510717 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3457440, while the sum is 55.

The spelling of 87676510717 in words is "eighty-seven billion, six hundred seventy-six million, five hundred ten thousand, seven hundred seventeen".