89694049698 has 72 divisors (see below), whose sum is σ = 215725690908. Its totient is φ = 26910840000.

The previous prime is 89694049691. The next prime is 89694049769.

It is a happy number.

89694049698 is a `hidden beast` number, since 8 + 9 + 6 + 9 + 40 + 496 + 98 = 666.

89694049698 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 68119434009 + 21574615689 = 260997^2 + 146883^2 .

It is not an unprimeable number, because it can be changed into a prime (89694049691) 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 35 ways as a sum of consecutive naturals, for example, 16108 + ... + 423848.

Almost surely, 2^89694049698 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 89694049698, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107862845454).

89694049698 is an abundant number, since it is smaller than the sum of its proper divisors (126031641210).

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

89694049698 is a wasteful number, since it uses less digits than its factorization.

89694049698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407872 (or 407858 counting only the distinct ones).

The product of its (nonzero) digits is 241864704, while the sum is 72.

The spelling of 89694049698 in words is "eighty-nine billion, six hundred ninety-four million, forty-nine thousand, six hundred ninety-eight".