87176655880313 has 2 divisors, whose sum is σ = 87176655880314. Its totient is φ = 87176655880312.

The previous prime is 87176655880253. The next prime is 87176655880343. The reversal of 87176655880313 is 31308855667178.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 63012431413369 + 24164224466944 = 7938037^2 + 4915712^2 .

It is a cyclic number.

It is not a de Polignac number, because 87176655880313 - 2¹⁰ = 87176655879289 is a prime.

It is a super-2 number, since 2×87176655880313² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (87176655880343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43588327940156 + 43588327940157.

It is an arithmetic number, because the mean of its divisors is an integer number (43588327940157).

Almost surely, 2^{87176655880313} is an apocalyptic number.

It is an amenable number.

87176655880313 is a deficient number, since it is larger than the sum of its proper divisors (1).

87176655880313 is an equidigital number, since it uses as much as digits as its factorization.

87176655880313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 203212800, while the sum is 68.

The spelling of 87176655880313 in words is "eighty-seven trillion, one hundred seventy-six billion, six hundred fifty-five million, eight hundred eighty thousand, three hundred thirteen".