80727147 has 6 divisors (see below), whose sum is σ = 116605892. Its totient is φ = 53818092.

The previous prime is 80727137. The next prime is 80727149. The reversal of 80727147 is 74172708.

It is not a de Polignac number, because 80727147 - 2¹⁰ = 80726123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80727149) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4484833 + ... + 4484850.

Almost surely, 2^80727147 is an apocalyptic number.

80727147 is a deficient number, since it is larger than the sum of its proper divisors (35878745).

80727147 is a wasteful number, since it uses less digits than its factorization.

80727147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8969689 (or 8969686 counting only the distinct ones).

The product of its (nonzero) digits is 21952, while the sum is 36.

The square root of 80727147 is about 8984.8287128915. The cubic root of 80727147 is about 432.1884947739.

The spelling of 80727147 in words is "eighty million, seven hundred twenty-seven thousand, one hundred forty-seven".