8473820345 has 8 divisors (see below), whose sum is σ = 10416598920. Its totient is φ = 6613713280.

The previous prime is 8473820309. The next prime is 8473820351. The reversal of 8473820345 is 5430283748.

It can be written as a sum of positive squares in 4 ways, for example, as 65536 + 8473754809 = 256^2 + 92053^2 .

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

It is a de Polignac number, because none of the positive numbers 2^k-8473820345 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8473820296 and 8473820305.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20667650 + ... + 20668059.

It is an arithmetic number, because the mean of its divisors is an integer number (1302074865).

Almost surely, 2^8473820345 is an apocalyptic number.

It is an amenable number.

8473820345 is a deficient number, since it is larger than the sum of its proper divisors (1942778575).

8473820345 is a wasteful number, since it uses less digits than its factorization.

8473820345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41335755.

The product of its (nonzero) digits is 645120, while the sum is 44.

The square root of 8473820345 is about 92053.3559681558. The cubic root of 8473820345 is about 2038.7301741964.

The spelling of 8473820345 in words is "eight billion, four hundred seventy-three million, eight hundred twenty thousand, three hundred forty-five".