47915182779 has 16 divisors (see below), whose sum is σ = 65107729920. Its totient is φ = 31338197280.

The previous prime is 47915182729. The next prime is 47915182801. The reversal of 47915182779 is 97728151974.

It is not a de Polignac number, because 47915182779 - 2⁹ = 47915182267 is a prime.

It is not an unprimeable number, because it can be changed into a prime (47915182729) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 606657 + ... + 681074.

It is an arithmetic number, because the mean of its divisors is an integer number (4069233120).

Almost surely, 2^47915182779 is an apocalyptic number.

47915182779 is a deficient number, since it is larger than the sum of its proper divisors (17192547141).

47915182779 is a wasteful number, since it uses less digits than its factorization.

47915182779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1287970.

The product of its digits is 8890560, while the sum is 60.

The spelling of 47915182779 in words is "forty-seven billion, nine hundred fifteen million, one hundred eighty-two thousand, seven hundred seventy-nine".