47861164381 has 8 divisors (see below), whose sum is σ = 48160415160. Its totient is φ = 47562482688.

The previous prime is 47861164339. The next prime is 47861164441. The reversal of 47861164381 is 18346116874.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 34389848025 + 13471316356 = 185445^2 + 116066^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 47861164381 - 2¹¹ = 47861162333 is a prime.

It is a super-2 number, since 2×47861164381² (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 (47861165381) 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, 27085 + ... + 310573.

It is an arithmetic number, because the mean of its divisors is an integer number (6020051895).

Almost surely, 2^47861164381 is an apocalyptic number.

It is an amenable number.

47861164381 is a deficient number, since it is larger than the sum of its proper divisors (299250779).

47861164381 is a wasteful number, since it uses less digits than its factorization.

47861164381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284543.

The product of its digits is 774144, while the sum is 49.

The spelling of 47861164381 in words is "forty-seven billion, eight hundred sixty-one million, one hundred sixty-four thousand, three hundred eighty-one".