47805666782 has 16 divisors (see below), whose sum is σ = 76365538992. Its totient is φ = 22366742400.

The previous prime is 47805666721. The next prime is 47805666827. The reversal of 47805666782 is 28766650874.

It is a happy number.

47805666782 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4057844 + ... + 4069607.

It is an arithmetic number, because the mean of its divisors is an integer number (4772846187).

Almost surely, 2^47805666782 is an apocalyptic number.

47805666782 is a deficient number, since it is larger than the sum of its proper divisors (28559872210).

47805666782 is a wasteful number, since it uses less digits than its factorization.

47805666782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8127643.

The product of its (nonzero) digits is 27095040, while the sum is 59.

The spelling of 47805666782 in words is "forty-seven billion, eight hundred five million, six hundred sixty-six thousand, seven hundred eighty-two".