81010848 has 48 divisors (see below), whose sum is σ = 225167040. Its totient is φ = 25414656.

The previous prime is 81010847. The next prime is 81010859. The reversal of 81010848 is 84801018.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (81010847) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23188 + ... + 26451.

It is an arithmetic number, because the mean of its divisors is an integer number (4690980).

Almost surely, 2^81010848 is an apocalyptic number.

It is an amenable number.

81010848 is an abundant number, since it is smaller than the sum of its proper divisors (144156192).

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

81010848 is a wasteful number, since it uses less digits than its factorization.

81010848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49669 (or 49661 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 30.

The square root of 81010848 is about 9000.6026464898. The cubic root of 81010848 is about 432.6941856909.

The spelling of 81010848 in words is "eighty-one million, ten thousand, eight hundred forty-eight".