80547005 has 16 divisors (see below), whose sum is σ = 120507264. Its totient is φ = 50210880.

The previous prime is 80546993. The next prime is 80547011. The reversal of 80547005 is 50074508.

It is not a de Polignac number, because 80547005 - 2¹⁰ = 80545981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104222 + ... + 104991.

It is an arithmetic number, because the mean of its divisors is an integer number (7531704).

Almost surely, 2^80547005 is an apocalyptic number.

It is an amenable number.

80547005 is a deficient number, since it is larger than the sum of its proper divisors (39960259).

80547005 is a wasteful number, since it uses less digits than its factorization.

80547005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209236.

The product of its (nonzero) digits is 5600, while the sum is 29.

The square root of 80547005 is about 8974.7983264249. The cubic root of 80547005 is about 431.8667802669.

The spelling of 80547005 in words is "eighty million, five hundred forty-seven thousand, five".