477749497 has 2 divisors, whose sum is σ = 477749498. Its totient is φ = 477749496.

The previous prime is 477749477. The next prime is 477749593. The reversal of 477749497 is 794947774.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 309372921 + 168376576 = 17589^2 + 12976^2 .

It is a cyclic number.

It is not a de Polignac number, because 477749497 - 2⁷ = 477749369 is a prime.

It is not a weakly prime, because it can be changed into another prime (477749417) 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, 238874748 + 238874749.

It is an arithmetic number, because the mean of its divisors is an integer number (238874749).

Almost surely, 2^477749497 is an apocalyptic number.

It is an amenable number.

477749497 is a deficient number, since it is larger than the sum of its proper divisors (1).

477749497 is an equidigital number, since it uses as much as digits as its factorization.

477749497 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12446784, while the sum is 58.

The square root of 477749497 is about 21857.4814880397. The cubic root of 477749497 is about 781.7479411907.

The spelling of 477749497 in words is "four hundred seventy-seven million, seven hundred forty-nine thousand, four hundred ninety-seven".