326878964434 has 16 divisors (see below), whose sum is σ = 534953930400. Its totient is φ = 148564380960.

The previous prime is 326878964431. The next prime is 326878964509. The reversal of 326878964434 is 434469878623.

It is not an unprimeable number, because it can be changed into a prime (326878964431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 650259 + ... + 1037590.

It is an arithmetic number, because the mean of its divisors is an integer number (33434620650).

Almost surely, 2^326878964434 is an apocalyptic number.

326878964434 is a deficient number, since it is larger than the sum of its proper divisors (208074965966).

326878964434 is a wasteful number, since it uses less digits than its factorization.

326878964434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1696665.

The product of its digits is 167215104, while the sum is 64.

The spelling of 326878964434 in words is "three hundred twenty-six billion, eight hundred seventy-eight million, nine hundred sixty-four thousand, four hundred thirty-four".