326878011 has 12 divisors (see below), whose sum is σ = 489644792. Its totient is φ = 217918512.

The previous prime is 326878003. The next prime is 326878039. The reversal of 326878011 is 110878623.

It is not a de Polignac number, because 326878011 - 2³ = 326878003 is a prime.

It is a super-2 number, since 2×326878011² = 213698468150632242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (326871011) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 672346 + ... + 672831.

Almost surely, 2^326878011 is an apocalyptic number.

326878011 is a deficient number, since it is larger than the sum of its proper divisors (162766781).

326878011 is an equidigital number, since it uses as much as digits as its factorization.

326878011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1345192 (or 1345180 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 326878011 is about 18079.7680018301. The cubic root of 326878011 is about 688.8561957150.

The spelling of 326878011 in words is "three hundred twenty-six million, eight hundred seventy-eight thousand, eleven".