47979376065 has 12 divisors (see below), whose sum is σ = 83164251924. Its totient is φ = 25589000544.

The previous prime is 47979376019. The next prime is 47979376073. The reversal of 47979376065 is 56067397974.

47979376065 is a `hidden beast` number, since 479 + 7 + 93 + 76 + 0 + 6 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 12715043121 + 35264332944 = 112761^2 + 187788^2 .

It is not a de Polignac number, because 47979376065 - 2⁶ = 47979376001 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 47979375993 and 47979376011.

It is an unprimeable number.

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 in 11 ways as a sum of consecutive naturals, for example, 533104134 + ... + 533104223.

It is an arithmetic number, because the mean of its divisors is an integer number (6930354327).

Almost surely, 2^47979376065 is an apocalyptic number.

47979376065 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

47979376065 is a deficient number, since it is larger than the sum of its proper divisors (35184875859).

47979376065 is a wasteful number, since it uses less digits than its factorization.

47979376065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1066208368 (or 1066208365 counting only the distinct ones).

The product of its (nonzero) digits is 60011280, while the sum is 63.

The spelling of 47979376065 in words is "forty-seven billion, nine hundred seventy-nine million, three hundred seventy-six thousand, sixty-five".