47178066957 has 12 divisors (see below), whose sum is σ = 73174144896. Its totient is φ = 26958895320.

The previous prime is 47178066931. The next prime is 47178066977. The reversal of 47178066957 is 75966087174.

It is not a de Polignac number, because 47178066957 - 2⁸ = 47178066701 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 47178066957.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47178066917) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 160469469 + ... + 160469762.

It is an arithmetic number, because the mean of its divisors is an integer number (6097845408).

Almost surely, 2^47178066957 is an apocalyptic number.

It is an amenable number.

47178066957 is a deficient number, since it is larger than the sum of its proper divisors (25996077939).

47178066957 is a wasteful number, since it uses less digits than its factorization.

47178066957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320939248 (or 320939241 counting only the distinct ones).

The product of its (nonzero) digits is 17781120, while the sum is 60.

The spelling of 47178066957 in words is "forty-seven billion, one hundred seventy-eight million, sixty-six thousand, nine hundred fifty-seven".