900472277 has 2 divisors, whose sum is σ = 900472278. Its totient is φ = 900472276.

The previous prime is 900472271. The next prime is 900472297. The reversal of 900472277 is 772274009.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 831399556 + 69072721 = 28834^2 + 8311^2 .

It is a cyclic number.

It is not a de Polignac number, because 900472277 - 2⁶ = 900472213 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 900472277.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (900472271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 450236138 + 450236139.

It is an arithmetic number, because the mean of its divisors is an integer number (450236139).

Almost surely, 2^900472277 is an apocalyptic number.

It is an amenable number.

900472277 is a deficient number, since it is larger than the sum of its proper divisors (1).

900472277 is an equidigital number, since it uses as much as digits as its factorization.

900472277 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 49392, while the sum is 38.

The square root of 900472277 is about 30007.8702509858. The cubic root of 900472277 is about 965.6582359741.

The spelling of 900472277 in words is "nine hundred million, four hundred seventy-two thousand, two hundred seventy-seven".