87730843201 has 4 divisors (see below), whose sum is σ = 91545227712. Its totient is φ = 83916458692.

The previous prime is 87730843199. The next prime is 87730843223. The reversal of 87730843201 is 10234803778.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10234803778 = 2 ⋅5117401889.

It is a cyclic number.

It is not a de Polignac number, because 87730843201 - 2¹ = 87730843199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87730843271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1907192221 + ... + 1907192266.

It is an arithmetic number, because the mean of its divisors is an integer number (22886306928).

Almost surely, 2^87730843201 is an apocalyptic number.

It is an amenable number.

87730843201 is a deficient number, since it is larger than the sum of its proper divisors (3814384511).

87730843201 is a wasteful number, since it uses less digits than its factorization.

87730843201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3814384510.

The product of its (nonzero) digits is 225792, while the sum is 43.

The spelling of 87730843201 in words is "eighty-seven billion, seven hundred thirty million, eight hundred forty-three thousand, two hundred one".