80811470 has 16 divisors (see below), whose sum is σ = 147303360. Its totient is φ = 31915104.

The previous prime is 80811449. The next prime is 80811481. The reversal of 80811470 is 7411808.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 50357 + ... + 51936.

It is an arithmetic number, because the mean of its divisors is an integer number (9206460).

Almost surely, 2^80811470 is an apocalyptic number.

80811470 is a deficient number, since it is larger than the sum of its proper divisors (66491890).

80811470 is a wasteful number, since it uses less digits than its factorization.

80811470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102379.

The product of its (nonzero) digits is 1792, while the sum is 29.

The square root of 80811470 is about 8989.5200094332. The cubic root of 80811470 is about 432.3389222746.

The spelling of 80811470 in words is "eighty million, eight hundred eleven thousand, four hundred seventy".