1671711047 has 8 divisors (see below), whose sum is σ = 1749400800. Its totient is φ = 1594438560.

The previous prime is 1671710987. The next prime is 1671711089. The reversal of 1671711047 is 7401171761.

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 1671711047 - 2⁶ = 1671710983 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1671710998 and 1671711016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1671711247) 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, 96104 + ... + 112157.

It is an arithmetic number, because the mean of its divisors is an integer number (218675100).

Almost surely, 2^1671711047 is an apocalyptic number.

1671711047 is a deficient number, since it is larger than the sum of its proper divisors (77689753).

1671711047 is a wasteful number, since it uses less digits than its factorization.

1671711047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208633.

The product of its (nonzero) digits is 8232, while the sum is 35.

The square root of 1671711047 is about 40886.5631595516. The cubic root of 1671711047 is about 1186.8260515919.

The spelling of 1671711047 in words is "one billion, six hundred seventy-one million, seven hundred eleven thousand, forty-seven".