47976297121 has 2 divisors, whose sum is σ = 47976297122. Its totient is φ = 47976297120.

The previous prime is 47976297037. The next prime is 47976297139. The reversal of 47976297121 is 12179267974.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39824193600 + 8152103521 = 199560^2 + 90289^2 .

It is a cyclic number.

It is not a de Polignac number, because 47976297121 - 2¹³ = 47976288929 is a prime.

It is not a weakly prime, because it can be changed into another prime (47976297151) by changing a digit.

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 as a sum of consecutive naturals, namely, 23988148560 + 23988148561.

It is an arithmetic number, because the mean of its divisors is an integer number (23988148561).

Almost surely, 2^47976297121 is an apocalyptic number.

It is an amenable number.

47976297121 is a deficient number, since it is larger than the sum of its proper divisors (1).

47976297121 is an equidigital number, since it uses as much as digits as its factorization.

47976297121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2667168, while the sum is 55.

The spelling of 47976297121 in words is "forty-seven billion, nine hundred seventy-six million, two hundred ninety-seven thousand, one hundred twenty-one".