47978776275 has 12 divisors (see below), whose sum is σ = 79324910232. Its totient is φ = 25588680640.

The previous prime is 47978776267. The next prime is 47978776297. The reversal of 47978776275 is 57267787974.

It is not a de Polignac number, because 47978776275 - 2³ = 47978776267 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 319858434 + ... + 319858583.

It is an arithmetic number, because the mean of its divisors is an integer number (6610409186).

Almost surely, 2^47978776275 is an apocalyptic number.

47978776275 is a deficient number, since it is larger than the sum of its proper divisors (31346133957).

47978776275 is a wasteful number, since it uses less digits than its factorization.

47978776275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 639717030 (or 639717025 counting only the distinct ones).

The product of its digits is 290424960, while the sum is 69.

The spelling of 47978776275 in words is "forty-seven billion, nine hundred seventy-eight million, seven hundred seventy-six thousand, two hundred seventy-five".