89899402388796 has 1296 divisors, whose sum is σ = 316731895753728. Its totient is φ = 21292962324480.

The previous prime is 89899402388791. The next prime is 89899402388821. The reversal of 89899402388796 is 69788320499898.

It is a happy number.

89899402388796 is a `hidden beast` number, since 8 + 9 + 8 + 9 + 9 + 402 + 38 + 87 + 96 = 666.

It is a super-2 number, since 2×89899402388796² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89899402388791) by changing a digit.

It is a polite number, since it can be written in 431 ways as a sum of consecutive naturals, for example, 118757466450 + ... + 118757467206.

Almost surely, 2^{89899402388796} 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 89899402388796, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (158365947876864).

89899402388796 is an abundant number, since it is smaller than the sum of its proper divisors (226832493364932).

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

89899402388796 is a wasteful number, since it uses less digits than its factorization.

89899402388796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1280 (or 1257 counting only the distinct ones).

The product of its (nonzero) digits is 27088846848, while the sum is 90.

The spelling of 89899402388796 in words is "eighty-nine trillion, eight hundred ninety-nine billion, four hundred two million, three hundred eighty-eight thousand, seven hundred ninety-six".