87163452898 has 4 divisors (see below), whose sum is σ = 130745179350. Its totient is φ = 43581726448.

The previous prime is 87163452853. The next prime is 87163452949. The reversal of 87163452898 is 89825436178.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 82775317849 + 4388135049 = 287707^2 + 66243^2 .

It is a super-2 number, since 2×87163452898² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

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, 21790863223 + ... + 21790863226.

Almost surely, 2^87163452898 is an apocalyptic number.

87163452898 is a deficient number, since it is larger than the sum of its proper divisors (43581726452).

87163452898 is a wasteful number, since it uses less digits than its factorization.

87163452898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43581726451.

The product of its digits is 23224320, while the sum is 61.

The spelling of 87163452898 in words is "eighty-seven billion, one hundred sixty-three million, four hundred fifty-two thousand, eight hundred ninety-eight".