80947724 has 48 divisors (see below), whose sum is σ = 170021376. Its totient is φ = 33230400.

The previous prime is 80947723. The next prime is 80947759. The reversal of 80947724 is 42774908.

It is not an unprimeable number, because it can be changed into a prime (80947721) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 25379 + ... + 28389.

It is an arithmetic number, because the mean of its divisors is an integer number (3542112).

Almost surely, 2^80947724 is an apocalyptic number.

It is an amenable number.

80947724 is an abundant number, since it is smaller than the sum of its proper divisors (89073652).

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

80947724 is a wasteful number, since it uses less digits than its factorization.

80947724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3086 (or 3084 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 41.

The square root of 80947724 is about 8997.0953090428. The cubic root of 80947724 is about 432.5817707664.

The spelling of 80947724 in words is "eighty million, nine hundred forty-seven thousand, seven hundred twenty-four".