7671447047 has 16 divisors (see below), whose sum is σ = 9006414624. Its totient is φ = 6456192000.

The previous prime is 7671447041. The next prime is 7671447079. The reversal of 7671447047 is 7407441767.

It is not a de Polignac number, because 7671447047 - 2⁴ = 7671447031 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7671446992 and 7671447010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7671447041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 324854 + ... + 347667.

It is an arithmetic number, because the mean of its divisors is an integer number (562900914).

Almost surely, 2^7671447047 is an apocalyptic number.

7671447047 is a deficient number, since it is larger than the sum of its proper divisors (1334967577).

7671447047 is a wasteful number, since it uses less digits than its factorization.

7671447047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 672610.

The product of its (nonzero) digits is 921984, while the sum is 47.

The square root of 7671447047 is about 87586.7972185306. The cubic root of 7671447047 is about 1972.2369778276.

The spelling of 7671447047 in words is "seven billion, six hundred seventy-one million, four hundred forty-seven thousand, forty-seven".