81083848 has 16 divisors (see below), whose sum is σ = 156936960. Its totient is φ = 39234000.

The previous prime is 81083833. The next prime is 81083881. The reversal of 81083848 is 84838018.

It is a self number, because there is not a number n which added to its sum of digits gives 81083848.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 163228 + ... + 163723.

It is an arithmetic number, because the mean of its divisors is an integer number (9808560).

Almost surely, 2^81083848 is an apocalyptic number.

It is an amenable number.

81083848 is a deficient number, since it is larger than the sum of its proper divisors (75853112).

81083848 is a wasteful number, since it uses less digits than its factorization.

81083848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326988 (or 326984 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 40.

The square root of 81083848 is about 9004.6570173439. The cubic root of 81083848 is about 432.8241155845.

The spelling of 81083848 in words is "eighty-one million, eighty-three thousand, eight hundred forty-eight".