477740663 has 2 divisors, whose sum is σ = 477740664. Its totient is φ = 477740662.

The previous prime is 477740603. The next prime is 477740671. The reversal of 477740663 is 366047774.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 477740663 - 2¹⁶ = 477675127 is a prime.

It is a super-2 number, since 2×477740663² = 456472282167359138, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (477740603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 238870331 + 238870332.

It is an arithmetic number, because the mean of its divisors is an integer number (238870332).

Almost surely, 2^477740663 is an apocalyptic number.

477740663 is a deficient number, since it is larger than the sum of its proper divisors (1).

477740663 is an equidigital number, since it uses as much as digits as its factorization.

477740663 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 592704, while the sum is 44.

The square root of 477740663 is about 21857.2794052691. The cubic root of 477740663 is about 781.7431227632.

The spelling of 477740663 in words is "four hundred seventy-seven million, seven hundred forty thousand, six hundred sixty-three".