900668047 has 2 divisors, whose sum is σ = 900668048. Its totient is φ = 900668046.

The previous prime is 900668009. The next prime is 900668081. The reversal of 900668047 is 740866009.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 900668047 - 2⁷ = 900667919 is a prime.

It is a super-2 number, since 2×900668047² = 1622405861773588418, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (900663047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 450334023 + 450334024.

It is an arithmetic number, because the mean of its divisors is an integer number (450334024).

Almost surely, 2^900668047 is an apocalyptic number.

900668047 is a deficient number, since it is larger than the sum of its proper divisors (1).

900668047 is an equidigital number, since it uses as much as digits as its factorization.

900668047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 900668047 is about 30011.1320512906. The cubic root of 900668047 is about 965.7282115559.

The spelling of 900668047 in words is "nine hundred million, six hundred sixty-eight thousand, forty-seven".