47894516081 has 8 divisors (see below), whose sum is σ = 49005108960. Its totient is φ = 46793884032.

The previous prime is 47894516069. The next prime is 47894516101. The reversal of 47894516081 is 18061549874.

47894516081 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 47894516081 - 2⁶ = 47894516017 is a prime.

It is a super-2 number, since 2×47894516081² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47894516051) 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, 2480480 + ... + 2499713.

It is an arithmetic number, because the mean of its divisors is an integer number (6125638620).

Almost surely, 2^47894516081 is an apocalyptic number.

It is an amenable number.

47894516081 is a deficient number, since it is larger than the sum of its proper divisors (1110592879).

47894516081 is a wasteful number, since it uses less digits than its factorization.

47894516081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4980415.

The product of its (nonzero) digits is 1935360, while the sum is 53.

The spelling of 47894516081 in words is "forty-seven billion, eight hundred ninety-four million, five hundred sixteen thousand, eighty-one".