47660861381 has 8 divisors (see below), whose sum is σ = 54969277440. Its totient is φ = 40477375728.

The previous prime is 47660861359. The next prime is 47660861389. The reversal of 47660861381 is 18316806674.

47660861381 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 47660861381 - 2⁶ = 47660861317 is a prime.

It is a super-2 number, since 2×47660861381² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47660861389) 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, 31231781 + ... + 31233306.

It is an arithmetic number, because the mean of its divisors is an integer number (6871159680).

Almost surely, 2^47660861381 is an apocalyptic number.

It is an amenable number.

47660861381 is a deficient number, since it is larger than the sum of its proper divisors (7308416059).

47660861381 is a wasteful number, since it uses less digits than its factorization.

47660861381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62465203.

The product of its (nonzero) digits is 1161216, while the sum is 50.

The spelling of 47660861381 in words is "forty-seven billion, six hundred sixty million, eight hundred sixty-one thousand, three hundred eighty-one".