472856777 has 2 divisors, whose sum is σ = 472856778. Its totient is φ = 472856776.

The previous prime is 472856771. The next prime is 472856837. The reversal of 472856777 is 777658274.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 392198416 + 80658361 = 19804^2 + 8981^2 .

It is a cyclic number.

It is not a de Polignac number, because 472856777 - 2¹⁰ = 472855753 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (472856771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 236428388 + 236428389.

It is an arithmetic number, because the mean of its divisors is an integer number (236428389).

Almost surely, 2^472856777 is an apocalyptic number.

It is an amenable number.

472856777 is a deficient number, since it is larger than the sum of its proper divisors (1).

472856777 is an equidigital number, since it uses as much as digits as its factorization.

472856777 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4609920, while the sum is 53.

The square root of 472856777 is about 21745.2702213608. The cubic root of 472856777 is about 779.0701043130.

The spelling of 472856777 in words is "four hundred seventy-two million, eight hundred fifty-six thousand, seven hundred seventy-seven".