89864854160 has 80 divisors (see below), whose sum is σ = 212206525056. Its totient is φ = 35384008704.

The previous prime is 89864854159. The next prime is 89864854171. The reversal of 89864854160 is 6145846898.

It is a tau number, because it is divible by the number of its divisors (80).

It is a self number, because there is not a number n which added to its sum of digits gives 89864854160.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8608304 + ... + 8618736.

Almost surely, 2^89864854160 is an apocalyptic number.

89864854160 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 89864854160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106103262528).

89864854160 is an abundant number, since it is smaller than the sum of its proper divisors (122341670896).

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

89864854160 is a wasteful number, since it uses less digits than its factorization.

89864854160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12120 (or 12114 counting only the distinct ones).

The product of its (nonzero) digits is 13271040, while the sum is 59.

The spelling of 89864854160 in words is "eighty-nine billion, eight hundred sixty-four million, eight hundred fifty-four thousand, one hundred sixty".