89986800485 has 16 divisors (see below), whose sum is σ = 114349645296. Its totient is φ = 67746782208.

The previous prime is 89986800469. The next prime is 89986800487. The reversal of 89986800485 is 58400868998.

It is a Cunningham number, because it is equal to 299978²+1.

It can be written as a sum of positive squares in 8 ways, for example, as 2104790884 + 87882009601 = 45878^2 + 296449^2 .

It is a cyclic number.

It is not a de Polignac number, because 89986800485 - 2⁴ = 89986800469 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89986800487) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 720539 + ... + 836151.

It is an arithmetic number, because the mean of its divisors is an integer number (7146852831).

Almost surely, 2^89986800485 is an apocalyptic number.

89986800485 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

89986800485 is a deficient number, since it is larger than the sum of its proper divisors (24362844811).

89986800485 is a wasteful number, since it uses less digits than its factorization.

89986800485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124792.

The product of its (nonzero) digits is 39813120, while the sum is 65.

The spelling of 89986800485 in words is "eighty-nine billion, nine hundred eighty-six million, eight hundred thousand, four hundred eighty-five".