80048781 has 24 divisors (see below), whose sum is σ = 118272960. Its totient is φ = 52155456.

The previous prime is 80048779. The next prime is 80048803. The reversal of 80048781 is 18784008.

It is not a de Polignac number, because 80048781 - 2¹ = 80048779 is a prime.

It is a super-2 number, since 2×80048781² = 12815614679171922, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80048701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 123400 + ... + 124046.

It is an arithmetic number, because the mean of its divisors is an integer number (4928040).

Almost surely, 2^80048781 is an apocalyptic number.

It is an amenable number.

80048781 is a deficient number, since it is larger than the sum of its proper divisors (38224179).

80048781 is a wasteful number, since it uses less digits than its factorization.

80048781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 945 (or 942 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 36.

The square root of 80048781 is about 8946.9984352295. The cubic root of 80048781 is about 430.9744997770.

The spelling of 80048781 in words is "eighty million, forty-eight thousand, seven hundred eighty-one".