326742887 has 2 divisors, whose sum is σ = 326742888. Its totient is φ = 326742886.

The previous prime is 326742881. The next prime is 326742937. The reversal of 326742887 is 788247623.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-326742887 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (326742881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 163371443 + 163371444.

It is an arithmetic number, because the mean of its divisors is an integer number (163371444).

Almost surely, 2^326742887 is an apocalyptic number.

326742887 is a deficient number, since it is larger than the sum of its proper divisors (1).

326742887 is an equidigital number, since it uses as much as digits as its factorization.

326742887 is an evil number, because the sum of its binary digits is even.

The product of its digits is 903168, while the sum is 47.

The square root of 326742887 is about 18076.0307313304. The cubic root of 326742887 is about 688.7612634260.

The spelling of 326742887 in words is "three hundred twenty-six million, seven hundred forty-two thousand, eight hundred eighty-seven".