47177573757878 has 4 divisors (see below), whose sum is σ = 70766360636820. Its totient is φ = 23588786878938.

The previous prime is 47177573757869. The next prime is 47177573757901. The reversal of 47177573757878 is 87875737577174.

47177573757878 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 47177573757796 and 47177573757805.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11794393439468 + ... + 11794393439471.

It is an arithmetic number, because the mean of its divisors is an integer number (17691590159205).

Almost surely, 2^{47177573757878} is an apocalyptic number.

47177573757878 is a deficient number, since it is larger than the sum of its proper divisors (23588786878942).

47177573757878 is a wasteful number, since it uses less digits than its factorization.

47177573757878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23588786878941.

The product of its digits is 15812025600, while the sum is 83.

The spelling of 47177573757878 in words is "forty-seven trillion, one hundred seventy-seven billion, five hundred seventy-three million, seven hundred fifty-seven thousand, eight hundred seventy-eight".