47531799377 has 2 divisors, whose sum is σ = 47531799378. Its totient is φ = 47531799376.

The previous prime is 47531799361. The next prime is 47531799433. The reversal of 47531799377 is 77399713574.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44505809296 + 3025990081 = 210964^2 + 55009^2 .

It is a cyclic number.

It is not a de Polignac number, because 47531799377 - 2⁴ = 47531799361 is a prime.

It is not a weakly prime, because it can be changed into another prime (47531799317) 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, 23765899688 + 23765899689.

It is an arithmetic number, because the mean of its divisors is an integer number (23765899689).

Almost surely, 2^47531799377 is an apocalyptic number.

It is an amenable number.

47531799377 is a deficient number, since it is larger than the sum of its proper divisors (1).

47531799377 is an equidigital number, since it uses as much as digits as its factorization.

47531799377 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 35006580, while the sum is 62.

The spelling of 47531799377 in words is "forty-seven billion, five hundred thirty-one million, seven hundred ninety-nine thousand, three hundred seventy-seven".