89019802368 has 432 divisors, whose sum is σ = 304395227136. Its totient is φ = 24483962880.

The previous prime is 89019802367. The next prime is 89019802429. The reversal of 89019802368 is 86320891098.

It is a happy number.

89019802368 is a `hidden beast` number, since 8 + 90 + 198 + 0 + 2 + 368 = 666.

It is not an unprimeable number, because it can be changed into a prime (89019802363) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 131491246 + ... + 131491922.

Almost surely, 2^89019802368 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 89019802368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (152197613568).

89019802368 is an abundant number, since it is smaller than the sum of its proper divisors (215375424768).

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

89019802368 is a wasteful number, since it uses less digits than its factorization.

89019802368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000 (or 983 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 54.

The spelling of 89019802368 in words is "eighty-nine billion, nineteen million, eight hundred two thousand, three hundred sixty-eight".