47477377 has 2 divisors, whose sum is σ = 47477378. Its totient is φ = 47477376.

The previous prime is 47477363. The next prime is 47477383. The reversal of 47477377 is 77377474.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38241856 + 9235521 = 6184^2 + 3039^2 .

It is a cyclic number.

It is not a de Polignac number, because 47477377 - 2⁷ = 47477249 is a prime.

It is not a weakly prime, because it can be changed into another prime (47477357) 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, 23738688 + 23738689.

It is an arithmetic number, because the mean of its divisors is an integer number (23738689).

Almost surely, 2^47477377 is an apocalyptic number.

It is an amenable number.

47477377 is a deficient number, since it is larger than the sum of its proper divisors (1).

47477377 is an equidigital number, since it uses as much as digits as its factorization.

47477377 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 806736, while the sum is 46.

The square root of 47477377 is about 6890.3829356575. The cubic root of 47477377 is about 362.1003176284.

The spelling of 47477377 in words is "forty-seven million, four hundred seventy-seven thousand, three hundred seventy-seven".