47928768854 has 4 divisors (see below), whose sum is σ = 71893153284. Its totient is φ = 23964384426.

The previous prime is 47928768851. The next prime is 47928768869. The reversal of 47928768854 is 45886782974.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47928768851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11982192212 + ... + 11982192215.

It is an arithmetic number, because the mean of its divisors is an integer number (17973288321).

Almost surely, 2^47928768854 is an apocalyptic number.

47928768854 is a deficient number, since it is larger than the sum of its proper divisors (23964384430).

47928768854 is a wasteful number, since it uses less digits than its factorization.

47928768854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23964384429.

The product of its digits is 216760320, while the sum is 68.

The spelling of 47928768854 in words is "forty-seven billion, nine hundred twenty-eight million, seven hundred sixty-eight thousand, eight hundred fifty-four".