47641000781 has 8 divisors (see below), whose sum is σ = 52704001728. Its totient is φ = 42700000000.

The previous prime is 47641000723. The next prime is 47641000817. The reversal of 47641000781 is 18700014674.

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 47641000781 - 2¹⁸ = 47640738637 is a prime.

It is a super-2 number, since 2×47641000781² (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 (47641006781) 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, 30499220 + ... + 30500781.

It is an arithmetic number, because the mean of its divisors is an integer number (6588000216).

Almost surely, 2^47641000781 is an apocalyptic number.

47641000781 is the 97613-rd centered decagonal number.

It is an amenable number.

47641000781 is a deficient number, since it is larger than the sum of its proper divisors (5063000947).

47641000781 is a wasteful number, since it uses less digits than its factorization.

47641000781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61000083.

The product of its (nonzero) digits is 37632, while the sum is 38.

The spelling of 47641000781 in words is "forty-seven billion, six hundred forty-one million, seven hundred eighty-one", and thus it is an aban number.