477407477 has 2 divisors, whose sum is σ = 477407478. Its totient is φ = 477407476.

The previous prime is 477407459. The next prime is 477407531. The reversal of 477407477 is 774704774.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 473106001 + 4301476 = 21751^2 + 2074^2 .

It is a cyclic number.

It is not a de Polignac number, because 477407477 - 2¹⁶ = 477341941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (477407407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 238703738 + 238703739.

It is an arithmetic number, because the mean of its divisors is an integer number (238703739).

Almost surely, 2^477407477 is an apocalyptic number.

It is an amenable number.

477407477 is a deficient number, since it is larger than the sum of its proper divisors (1).

477407477 is an equidigital number, since it uses as much as digits as its factorization.

477407477 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1075648, while the sum is 47.

The square root of 477407477 is about 21849.6562215519. The cubic root of 477407477 is about 781.5613460106.

The spelling of 477407477 in words is "four hundred seventy-seven million, four hundred seven thousand, four hundred seventy-seven".