87692056693 has 2 divisors, whose sum is σ = 87692056694. Its totient is φ = 87692056692.

The previous prime is 87692056679. The next prime is 87692056717. The reversal of 87692056693 is 39665029678.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 71143292529 + 16548764164 = 266727^2 + 128642^2 .

It is a cyclic number.

It is not a de Polignac number, because 87692056693 - 2¹³ = 87692048501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87692056603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43846028346 + 43846028347.

It is an arithmetic number, because the mean of its divisors is an integer number (43846028347).

Almost surely, 2^87692056693 is an apocalyptic number.

It is an amenable number.

87692056693 is a deficient number, since it is larger than the sum of its proper divisors (1).

87692056693 is an equidigital number, since it uses as much as digits as its factorization.

87692056693 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 29393280, while the sum is 61.

The spelling of 87692056693 in words is "eighty-seven billion, six hundred ninety-two million, fifty-six thousand, six hundred ninety-three".