81484088 has 64 divisors (see below), whose sum is σ = 180956160. Its totient is φ = 33676416.

The previous prime is 81484079. The next prime is 81484121. The reversal of 81484088 is 88048418.

It is a congruent number.

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, 218270 + ... + 218642.

It is an arithmetic number, because the mean of its divisors is an integer number (2827440).

Almost surely, 2^81484088 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 81484088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90478080).

81484088 is an abundant number, since it is smaller than the sum of its proper divisors (99472072).

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

81484088 is a wasteful number, since it uses less digits than its factorization.

81484088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 516 (or 512 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 41.

The square root of 81484088 is about 9026.8537154426. The cubic root of 81484088 is about 433.5351049832.

The spelling of 81484088 in words is "eighty-one million, four hundred eighty-four thousand, eighty-eight".