87328768061113 has 2 divisors, whose sum is σ = 87328768061114. Its totient is φ = 87328768061112.

The previous prime is 87328768061111. The next prime is 87328768061137. The reversal of 87328768061113 is 31116086782378.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 74139900865209 + 13188867195904 = 8610453^2 + 3631648^2 .

It is a cyclic number.

It is not a de Polignac number, because 87328768061113 - 2¹ = 87328768061111 is a prime.

Together with 87328768061111, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (87328768061111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43664384030556 + 43664384030557.

It is an arithmetic number, because the mean of its divisors is an integer number (43664384030557).

Almost surely, 2^{87328768061113} is an apocalyptic number.

It is an amenable number.

87328768061113 is a deficient number, since it is larger than the sum of its proper divisors (1).

87328768061113 is an equidigital number, since it uses as much as digits as its factorization.

87328768061113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16257024, while the sum is 61.

The spelling of 87328768061113 in words is "eighty-seven trillion, three hundred twenty-eight billion, seven hundred sixty-eight million, sixty-one thousand, one hundred thirteen".