477284957 has 2 divisors, whose sum is σ = 477284958. Its totient is φ = 477284956.

The previous prime is 477284917. The next prime is 477284971. The reversal of 477284957 is 759482774.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 280696516 + 196588441 = 16754^2 + 14021^2 .

It is a cyclic number.

It is not a de Polignac number, because 477284957 - 2¹⁸ = 477022813 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 477284899 and 477284908.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (477284917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 238642478 + 238642479.

It is an arithmetic number, because the mean of its divisors is an integer number (238642479).

Almost surely, 2^477284957 is an apocalyptic number.

It is an amenable number.

477284957 is a deficient number, since it is larger than the sum of its proper divisors (1).

477284957 is an equidigital number, since it uses as much as digits as its factorization.

477284957 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3951360, while the sum is 53.

The square root of 477284957 is about 21846.8523362062. The cubic root of 477284957 is about 781.4944813346.

The spelling of 477284957 in words is "four hundred seventy-seven million, two hundred eighty-four thousand, nine hundred fifty-seven".