80547047 has 8 divisors (see below), whose sum is σ = 93088800. Its totient is φ = 68264064.

The previous prime is 80547031. The next prime is 80547059. The reversal of 80547047 is 74074508.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 80547047 - 2⁴ = 80547031 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 80546998 and 80547016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80547067) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64022 + ... + 65267.

It is an arithmetic number, because the mean of its divisors is an integer number (11636100).

Almost surely, 2^80547047 is an apocalyptic number.

80547047 is a deficient number, since it is larger than the sum of its proper divisors (12541753).

80547047 is a wasteful number, since it uses less digits than its factorization.

80547047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129385.

The product of its (nonzero) digits is 31360, while the sum is 35.

The square root of 80547047 is about 8974.8006663101. The cubic root of 80547047 is about 431.8668553304.

The spelling of 80547047 in words is "eighty million, five hundred forty-seven thousand, forty-seven".