87708314513 has 2 divisors, whose sum is σ = 87708314514. Its totient is φ = 87708314512.

The previous prime is 87708314417. The next prime is 87708314537. The reversal of 87708314513 is 31541380778.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 87254070544 + 454243969 = 295388^2 + 21313^2 .

It is a cyclic number.

It is not a de Polignac number, because 87708314513 - 2¹⁴ = 87708298129 is a prime.

It is a super-2 number, since 2×87708314513² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (87708374513) 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, 43854157256 + 43854157257.

It is an arithmetic number, because the mean of its divisors is an integer number (43854157257).

Almost surely, 2^87708314513 is an apocalyptic number.

It is an amenable number.

87708314513 is a deficient number, since it is larger than the sum of its proper divisors (1).

87708314513 is an equidigital number, since it uses as much as digits as its factorization.

87708314513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 564480, while the sum is 47.

The spelling of 87708314513 in words is "eighty-seven billion, seven hundred eight million, three hundred fourteen thousand, five hundred thirteen".