200669957 has 2 divisors, whose sum is σ = 200669958. Its totient is φ = 200669956.

The previous prime is 200669947. The next prime is 200669999. The reversal of 200669957 is 759966002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 136445761 + 64224196 = 11681^2 + 8014^2 .

It is a cyclic number.

It is not a de Polignac number, because 200669957 - 2¹⁴ = 200653573 is a prime.

It is a super-3 number, since 3×200669957³ (a number of 26 digits) contains 333 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 (200669947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100334978 + 100334979.

It is an arithmetic number, because the mean of its divisors is an integer number (100334979).

Almost surely, 2^200669957 is an apocalyptic number.

It is an amenable number.

200669957 is a deficient number, since it is larger than the sum of its proper divisors (1).

200669957 is an equidigital number, since it uses as much as digits as its factorization.

200669957 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 204120, while the sum is 44.

The square root of 200669957 is about 14165.8023775570. The cubic root of 200669957 is about 585.4558085898.

The spelling of 200669957 in words is "two hundred million, six hundred sixty-nine thousand, nine hundred fifty-seven".