80628172 has 24 divisors (see below), whose sum is σ = 149903600. Its totient is φ = 37838016.

The previous prime is 80628089. The next prime is 80628193. The reversal of 80628172 is 27182608.

It is a super-3 number, since 3×80628172³ (a number of 25 digits) contains 333 as substring.

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, 3418 + ... + 13150.

Almost surely, 2^80628172 is an apocalyptic number.

It is an amenable number.

80628172 is a deficient number, since it is larger than the sum of its proper divisors (69275428).

80628172 is a wasteful number, since it uses less digits than its factorization.

80628172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9865 (or 9863 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 34.

The square root of 80628172 is about 8979.3191278626. The cubic root of 80628172 is about 432.0117952312.

The spelling of 80628172 in words is "eighty million, six hundred twenty-eight thousand, one hundred seventy-two".