80471547 has 36 divisors (see below), whose sum is σ = 126981504. Its totient is φ = 49083840.

The previous prime is 80471509. The next prime is 80471551. The reversal of 80471547 is 74517408.

It is not a de Polignac number, because 80471547 - 2⁶ = 80471483 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80471507) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 290373 + ... + 290649.

It is an arithmetic number, because the mean of its divisors is an integer number (3527264).

Almost surely, 2^80471547 is an apocalyptic number.

80471547 is a deficient number, since it is larger than the sum of its proper divisors (46509957).

80471547 is a wasteful number, since it uses less digits than its factorization.

80471547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500 (or 484 counting only the distinct ones).

The product of its (nonzero) digits is 31360, while the sum is 36.

The square root of 80471547 is about 8970.5934586291. The cubic root of 80471547 is about 431.7318777335.

It can be divided in two parts, 80471 and 547, that added together give a palindrome (81018).

The spelling of 80471547 in words is "eighty million, four hundred seventy-one thousand, five hundred forty-seven".