81024108 has 48 divisors (see below), whose sum is σ = 218381184. Its totient is φ = 23107840.

The previous prime is 81024103. The next prime is 81024131. The reversal of 81024108 is 80142018.

It is not an unprimeable number, because it can be changed into a prime (81024103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15810 + ... + 20297.

It is an arithmetic number, because the mean of its divisors is an integer number (4549608).

Almost surely, 2^81024108 is an apocalyptic number.

It is an amenable number.

81024108 is an abundant number, since it is smaller than the sum of its proper divisors (137357076).

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

81024108 is a wasteful number, since it uses less digits than its factorization.

81024108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36142 (or 36140 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 24.

The square root of 81024108 is about 9001.3392336918. The cubic root of 81024108 is about 432.7177924548.

The spelling of 81024108 in words is "eighty-one million, twenty-four thousand, one hundred eight".