80628547 has 8 divisors (see below), whose sum is σ = 85925376. Its totient is φ = 75481032.

The previous prime is 80628539. The next prime is 80628577. The reversal of 80628547 is 74582608.

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

It is not a de Polignac number, because 80628547 - 2³ = 80628539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80628517) 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, 36213 + ... + 38374.

It is an arithmetic number, because the mean of its divisors is an integer number (10740672).

Almost surely, 2^80628547 is an apocalyptic number.

80628547 is a deficient number, since it is larger than the sum of its proper divisors (5296829).

80628547 is a wasteful number, since it uses less digits than its factorization.

80628547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74657.

The product of its (nonzero) digits is 107520, while the sum is 40.

The square root of 80628547 is about 8979.3400091543. The cubic root of 80628547 is about 432.0124649896.

The spelling of 80628547 in words is "eighty million, six hundred twenty-eight thousand, five hundred forty-seven".