472257277 has 4 divisors (see below), whose sum is σ = 472550236. Its totient is φ = 471964320.

The previous prime is 472257251. The next prime is 472257329. The reversal of 472257277 is 772752274.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 226833721 + 245423556 = 15061^2 + 15666^2 .

It is a cyclic number.

It is not a de Polignac number, because 472257277 - 2²⁷ = 338039549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (472227277) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 144048 + ... + 147289.

It is an arithmetic number, because the mean of its divisors is an integer number (118137559).

Almost surely, 2^472257277 is an apocalyptic number.

It is an amenable number.

472257277 is a deficient number, since it is larger than the sum of its proper divisors (292959).

472257277 is a wasteful number, since it uses less digits than its factorization.

472257277 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292958.

The product of its digits is 384160, while the sum is 43.

The square root of 472257277 is about 21731.4812426581. The cubic root of 472257277 is about 778.7407233603.

The spelling of 472257277 in words is "four hundred seventy-two million, two hundred fifty-seven thousand, two hundred seventy-seven".