662239967 has 2 divisors, whose sum is σ = 662239968. Its totient is φ = 662239966.

The previous prime is 662239957. The next prime is 662240017. The reversal of 662239967 is 769932266.

It is an a-pointer prime, because the next prime (662240017) can be obtained adding 662239967 to its sum of digits (50).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 662239967 - 2⁴ = 662239951 is a prime.

It is a super-2 number, since 2×662239967² = 877123547784322178, 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 (662239957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 331119983 + 331119984.

It is an arithmetic number, because the mean of its divisors is an integer number (331119984).

Almost surely, 2^662239967 is an apocalyptic number.

662239967 is a deficient number, since it is larger than the sum of its proper divisors (1).

662239967 is an equidigital number, since it uses as much as digits as its factorization.

662239967 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1469664, while the sum is 50.

The square root of 662239967 is about 25734.0235291724. The cubic root of 662239967 is about 871.6426301044.

The spelling of 662239967 in words is "six hundred sixty-two million, two hundred thirty-nine thousand, nine hundred sixty-seven".