80481956 has 12 divisors (see below), whose sum is σ = 144650268. Its totient is φ = 39153312.

The previous prime is 80481949. The next prime is 80481977. The reversal of 80481956 is 65918408.

It can be written as a sum of positive squares in 2 ways, for example, as 75099556 + 5382400 = 8666^2 + 2320^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 271751 + ... + 272046.

It is an arithmetic number, because the mean of its divisors is an integer number (12054189).

Almost surely, 2^80481956 is an apocalyptic number.

It is an amenable number.

80481956 is a deficient number, since it is larger than the sum of its proper divisors (64168312).

80481956 is a wasteful number, since it uses less digits than its factorization.

80481956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 543838 (or 543836 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 41.

The square root of 80481956 is about 8971.1736133017. The cubic root of 80481956 is about 431.7504917801.

The spelling of 80481956 in words is "eighty million, four hundred eighty-one thousand, nine hundred fifty-six".