80911008 has 96 divisors (see below), whose sum is σ = 242464320. Its totient is φ = 26231040.

The previous prime is 80911003. The next prime is 80911067. The reversal of 80911008 is 80011908.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (80911001) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 30703 + ... + 33233.

It is an arithmetic number, because the mean of its divisors is an integer number (2525670).

Almost surely, 2^80911008 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 80911008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (121232160).

80911008 is an abundant number, since it is smaller than the sum of its proper divisors (161553312).

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

80911008 is a wasteful number, since it uses less digits than its factorization.

80911008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2587 (or 2573 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 27.

The square root of 80911008 is about 8995.0546413015. The cubic root of 80911008 is about 432.5163578742.

The spelling of 80911008 in words is "eighty million, nine hundred eleven thousand, eight".