89490206736 has 240 divisors, whose sum is σ = 304825382784. Its totient is φ = 23924699136.

The previous prime is 89490206717. The next prime is 89490206759. The reversal of 89490206736 is 63760209498.

It is a happy number.

89490206736 is a `hidden beast` number, since 89 + 490 + 2 + 0 + 6 + 73 + 6 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2949435 + ... + 2979621.

Almost surely, 2^89490206736 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 89490206736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (152412691392).

89490206736 is an abundant number, since it is smaller than the sum of its proper divisors (215335176048).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

89490206736 is a wasteful number, since it uses less digits than its factorization.

89490206736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30398 (or 30389 counting only the distinct ones).

The product of its (nonzero) digits is 3919104, while the sum is 54.

The spelling of 89490206736 in words is "eighty-nine billion, four hundred ninety million, two hundred six thousand, seven hundred thirty-six".