47923804661 has 16 divisors (see below), whose sum is σ = 51161904000. Its totient is φ = 44733731328.

The previous prime is 47923804651. The next prime is 47923804667. The reversal of 47923804661 is 16640832974.

It is a cyclic number.

It is not a de Polignac number, because 47923804661 - 2¹⁸ = 47923542517 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47923804667) 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, 1036250 + ... + 1081508.

It is an arithmetic number, because the mean of its divisors is an integer number (3197619000).

Almost surely, 2^47923804661 is an apocalyptic number.

It is an amenable number.

47923804661 is a deficient number, since it is larger than the sum of its proper divisors (3238099339).

47923804661 is a wasteful number, since it uses less digits than its factorization.

47923804661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45788.

The product of its (nonzero) digits is 1741824, while the sum is 50.

The spelling of 47923804661 in words is "forty-seven billion, nine hundred twenty-three million, eight hundred four thousand, six hundred sixty-one".