47858216565625 has 24 divisors (see below), whose sum is σ = 59820690027672. Its totient is φ = 38285454480000.

The previous prime is 47858216565541. The next prime is 47858216565637. The reversal of 47858216565625 is 52656561285874.

It can be written as a sum of positive squares in 12 ways, for example, as 47191994947449 + 666221618176 = 6869643^2 + 816224^2 .

It is a de Polignac number, because none of the positive numbers 2^k-47858216565625 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 116473039 + ... + 116883211.

It is an arithmetic number, because the mean of its divisors is an integer number (2492528751153).

Almost surely, 2^{47858216565625} is an apocalyptic number.

It is an amenable number.

47858216565625 is a deficient number, since it is larger than the sum of its proper divisors (11962473462047).

47858216565625 is an frugal number, since it uses more digits than its factorization.

47858216565625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447535 (or 447515 counting only the distinct ones).

The product of its digits is 967680000, while the sum is 70.

The spelling of 47858216565625 in words is "forty-seven trillion, eight hundred fifty-eight billion, two hundred sixteen million, five hundred sixty-five thousand, six hundred twenty-five".