477401879 has 2 divisors, whose sum is σ = 477401880. Its totient is φ = 477401878.

The previous prime is 477401833. The next prime is 477401917. The reversal of 477401879 is 978104774.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-477401879 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 (477401279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 238700939 + 238700940.

It is an arithmetic number, because the mean of its divisors is an integer number (238700940).

Almost surely, 2^477401879 is an apocalyptic number.

477401879 is a deficient number, since it is larger than the sum of its proper divisors (1).

477401879 is an equidigital number, since it uses as much as digits as its factorization.

477401879 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 395136, while the sum is 47.

The square root of 477401879 is about 21849.5281184743. The cubic root of 477401879 is about 781.5582911796.

The spelling of 477401879 in words is "four hundred seventy-seven million, four hundred one thousand, eight hundred seventy-nine".