472577779 has 2 divisors, whose sum is σ = 472577780. Its totient is φ = 472577778.

The previous prime is 472577771. The next prime is 472577821. The reversal of 472577779 is 977775274.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 472577779 - 2³ = 472577771 is a prime.

It is not a weakly prime, because it can be changed into another prime (472577771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 236288889 + 236288890.

It is an arithmetic number, because the mean of its divisors is an integer number (236288890).

Almost surely, 2^472577779 is an apocalyptic number.

472577779 is a deficient number, since it is larger than the sum of its proper divisors (1).

472577779 is an equidigital number, since it uses as much as digits as its factorization.

472577779 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6050520, while the sum is 55.

The square root of 472577779 is about 21738.8541326354. The cubic root of 472577779 is about 778.9168501814.

The spelling of 472577779 in words is "four hundred seventy-two million, five hundred seventy-seven thousand, seven hundred seventy-nine".