47631752977 has 2 divisors, whose sum is σ = 47631752978. Its totient is φ = 47631752976.

The previous prime is 47631752969. The next prime is 47631753017. The reversal of 47631752977 is 77925713674.

It is a happy number.

47631752977 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28267360641 + 19364392336 = 168129^2 + 139156^2 .

It is a cyclic number.

It is not a de Polignac number, because 47631752977 - 2³ = 47631752969 is a prime.

It is not a weakly prime, because it can be changed into another prime (47631732977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23815876488 + 23815876489.

It is an arithmetic number, because the mean of its divisors is an integer number (23815876489).

Almost surely, 2^47631752977 is an apocalyptic number.

It is an amenable number.

47631752977 is a deficient number, since it is larger than the sum of its proper divisors (1).

47631752977 is an equidigital number, since it uses as much as digits as its factorization.

47631752977 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15558480, while the sum is 58.

The spelling of 47631752977 in words is "forty-seven billion, six hundred thirty-one million, seven hundred fifty-two thousand, nine hundred seventy-seven".