476909677 has 2 divisors, whose sum is σ = 476909678. Its totient is φ = 476909676.

The previous prime is 476909659. The next prime is 476909681. The reversal of 476909677 is 776909674.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 474760521 + 2149156 = 21789^2 + 1466^2 .

It is a cyclic number.

It is not a de Polignac number, because 476909677 - 2¹⁵ = 476876909 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (476909647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 238454838 + 238454839.

It is an arithmetic number, because the mean of its divisors is an integer number (238454839).

Almost surely, 2^476909677 is an apocalyptic number.

It is an amenable number.

476909677 is a deficient number, since it is larger than the sum of its proper divisors (1).

476909677 is an equidigital number, since it uses as much as digits as its factorization.

476909677 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4000752, while the sum is 55.

The square root of 476909677 is about 21838.2617669081. The cubic root of 476909677 is about 781.2896029247.

The spelling of 476909677 in words is "four hundred seventy-six million, nine hundred nine thousand, six hundred seventy-seven".