87410165813 has 2 divisors, whose sum is σ = 87410165814. Its totient is φ = 87410165812.

The previous prime is 87410165797. The next prime is 87410165851. The reversal of 87410165813 is 31856101478.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 86967189604 + 442976209 = 294902^2 + 21047^2 .

It is a cyclic number.

It is not a de Polignac number, because 87410165813 - 2⁴ = 87410165797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87410165863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43705082906 + 43705082907.

It is an arithmetic number, because the mean of its divisors is an integer number (43705082907).

Almost surely, 2^87410165813 is an apocalyptic number.

It is an amenable number.

87410165813 is a deficient number, since it is larger than the sum of its proper divisors (1).

87410165813 is an equidigital number, since it uses as much as digits as its factorization.

87410165813 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 161280, while the sum is 44.

The spelling of 87410165813 in words is "eighty-seven billion, four hundred ten million, one hundred sixty-five thousand, eight hundred thirteen".