87417158401 has 2 divisors, whose sum is σ = 87417158402. Its totient is φ = 87417158400.

The previous prime is 87417158383. The next prime is 87417158449. The reversal of 87417158401 is 10485171478.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47726956225 + 39690202176 = 218465^2 + 199224^2 .

It is a cyclic number.

It is not a de Polignac number, because 87417158401 - 2¹¹ = 87417156353 is a prime.

It is not a weakly prime, because it can be changed into another prime (87417158461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43708579200 + 43708579201.

It is an arithmetic number, because the mean of its divisors is an integer number (43708579201).

Almost surely, 2^87417158401 is an apocalyptic number.

It is an amenable number.

87417158401 is a deficient number, since it is larger than the sum of its proper divisors (1).

87417158401 is an equidigital number, since it uses as much as digits as its factorization.

87417158401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 250880, while the sum is 46.

The spelling of 87417158401 in words is "eighty-seven billion, four hundred seventeen million, one hundred fifty-eight thousand, four hundred one".