47973577 has 2 divisors, whose sum is σ = 47973578. Its totient is φ = 47973576.

The previous prime is 47973551. The next prime is 47973617. The reversal of 47973577 is 77537974.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37319881 + 10653696 = 6109^2 + 3264^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47973577 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 47973577.

It is not a weakly prime, because it can be changed into another prime (47973517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23986788 + 23986789.

It is an arithmetic number, because the mean of its divisors is an integer number (23986789).

Almost surely, 2^47973577 is an apocalyptic number.

It is an amenable number.

47973577 is a deficient number, since it is larger than the sum of its proper divisors (1).

47973577 is an equidigital number, since it uses as much as digits as its factorization.

47973577 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1296540, while the sum is 49.

The square root of 47973577 is about 6926.2960520036. The cubic root of 47973577 is about 363.3574205243.

The spelling of 47973577 in words is "forty-seven million, nine hundred seventy-three thousand, five hundred seventy-seven".