80654873 has 8 divisors (see below), whose sum is σ = 86977800. Its totient is φ = 74348928.

The previous prime is 80654843. The next prime is 80654891. The reversal of 80654873 is 37845608.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 32809984 + 47844889 = 5728^2 + 6917^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 80654873 - 2⁶ = 80654809 is a prime.

It is a super-2 number, since 2×80654873² = 13010417077292258, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 80654873.

It is not an unprimeable number, because it can be changed into a prime (80654803) 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 7 ways as a sum of consecutive naturals, for example, 6683 + ... + 14351.

It is an arithmetic number, because the mean of its divisors is an integer number (10872225).

Almost surely, 2^80654873 is an apocalyptic number.

It is an amenable number.

80654873 is a deficient number, since it is larger than the sum of its proper divisors (6322927).

80654873 is a wasteful number, since it uses less digits than its factorization.

80654873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8491.

The product of its (nonzero) digits is 161280, while the sum is 41.

The square root of 80654873 is about 8980.8058101709. The cubic root of 80654873 is about 432.0594786218.

The spelling of 80654873 in words is "eighty million, six hundred fifty-four thousand, eight hundred seventy-three".