326267987 has 2 divisors, whose sum is σ = 326267988. Its totient is φ = 326267986.

The previous prime is 326267983. The next prime is 326267993. The reversal of 326267987 is 789762623.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 326267987 - 2² = 326267983 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (326267983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 163133993 + 163133994.

It is an arithmetic number, because the mean of its divisors is an integer number (163133994).

Almost surely, 2^326267987 is an apocalyptic number.

326267987 is a deficient number, since it is larger than the sum of its proper divisors (1).

326267987 is an equidigital number, since it uses as much as digits as its factorization.

326267987 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1524096, while the sum is 50.

The square root of 326267987 is about 18062.8897743412. The cubic root of 326267987 is about 688.4274114029.

The spelling of 326267987 in words is "three hundred twenty-six million, two hundred sixty-seven thousand, nine hundred eighty-seven".