47806797473 has 4 divisors (see below), whose sum is σ = 47813029188. Its totient is φ = 47800565760.

The previous prime is 47806797463. The next prime is 47806797487. The reversal of 47806797473 is 37479760874.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 13486641424 + 34320156049 = 116132^2 + 185257^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47806797473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47806797433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3104336 + ... + 3119697.

It is an arithmetic number, because the mean of its divisors is an integer number (11953257297).

Almost surely, 2^47806797473 is an apocalyptic number.

It is an amenable number.

47806797473 is a deficient number, since it is larger than the sum of its proper divisors (6231715).

47806797473 is an equidigital number, since it uses as much as digits as its factorization.

47806797473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6231714.

The product of its (nonzero) digits is 49787136, while the sum is 62.

The spelling of 47806797473 in words is "forty-seven billion, eight hundred six million, seven hundred ninety-seven thousand, four hundred seventy-three".