47820647237 has 8 divisors (see below), whose sum is σ = 52292489760. Its totient is φ = 43369556560.

The previous prime is 47820647177. The next prime is 47820647243. The reversal of 47820647237 is 73274602874.

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

It is not a de Polignac number, because 47820647237 - 2²⁰ = 47819598661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47820643237) 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, 5183138 + ... + 5192355.

It is an arithmetic number, because the mean of its divisors is an integer number (6536561220).

Almost surely, 2^47820647237 is an apocalyptic number.

It is an amenable number.

47820647237 is a deficient number, since it is larger than the sum of its proper divisors (4471842523).

47820647237 is a wasteful number, since it uses less digits than its factorization.

47820647237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10375923.

The product of its (nonzero) digits is 3161088, while the sum is 50.

The spelling of 47820647237 in words is "forty-seven billion, eight hundred twenty million, six hundred forty-seven thousand, two hundred thirty-seven".