47082547381 has 16 divisors (see below), whose sum is σ = 49404192768. Its totient is φ = 44815935600.

The previous prime is 47082547283. The next prime is 47082547411. The reversal of 47082547381 is 18374528074.

It is a cyclic number.

It is not a de Polignac number, because 47082547381 - 2¹⁵ = 47082514613 is a prime.

It is a super-2 number, since 2×47082547381² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47082547781) 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, 543766 + ... + 624376.

It is an arithmetic number, because the mean of its divisors is an integer number (3087762048).

Almost surely, 2^47082547381 is an apocalyptic number.

It is an amenable number.

47082547381 is a deficient number, since it is larger than the sum of its proper divisors (2321645387).

47082547381 is a wasteful number, since it uses less digits than its factorization.

47082547381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80952.

The product of its (nonzero) digits is 1505280, while the sum is 49.

The spelling of 47082547381 in words is "forty-seven billion, eighty-two million, five hundred forty-seven thousand, three hundred eighty-one".