89988600361 has 9 divisors (see below), whose sum is σ = 98916716829. Its totient is φ = 81804818700.

The previous prime is 89988600349. The next prime is 89988600371. The reversal of 89988600361 is 16300688998.

The square root of 89988600361 is 299981.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 89988600361 - 2²¹ = 89986503209 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 89988600296 and 89988600305.

It is not an unprimeable number, because it can be changed into a prime (89988600371) 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 in 8 ways as a sum of consecutive naturals, for example, 3286156 + ... + 3313426.

Almost surely, 2^89988600361 is an apocalyptic number.

89988600361 is the 299981-st square number.

89988600361 is the 149991-st centered octagonal number.

It is an amenable number.

89988600361 is a deficient number, since it is larger than the sum of its proper divisors (8928116468).

89988600361 is an frugal number, since it uses more digits than its factorization.

89988600361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54564 (or 27282 counting only the distinct ones).

The product of its (nonzero) digits is 4478976, while the sum is 58.

The spelling of 89988600361 in words is "eighty-nine billion, nine hundred eighty-eight million, six hundred thousand, three hundred sixty-one".