472778333 has 2 divisors, whose sum is σ = 472778334. Its totient is φ = 472778332.

The previous prime is 472778321. The next prime is 472778357. The reversal of 472778333 is 333877274.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 370100644 + 102677689 = 19238^2 + 10133^2 .

It is a cyclic number.

It is not a de Polignac number, because 472778333 - 2¹⁶ = 472712797 is a prime.

It is equal to p_24994853 and since 472778333 and 24994853 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (472778393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 236389166 + 236389167.

It is an arithmetic number, because the mean of its divisors is an integer number (236389167).

Almost surely, 2^472778333 is an apocalyptic number.

It is an amenable number.

472778333 is a deficient number, since it is larger than the sum of its proper divisors (1).

472778333 is an equidigital number, since it uses as much as digits as its factorization.

472778333 is an evil number, because the sum of its binary digits is even.

The product of its digits is 592704, while the sum is 44.

The square root of 472778333 is about 21743.4664439689. The cubic root of 472778333 is about 779.0270209680.

The spelling of 472778333 in words is "four hundred seventy-two million, seven hundred seventy-eight thousand, three hundred thirty-three".