326470911978 has 16 divisors (see below), whose sum is σ = 653070240000. Its totient is φ = 108802234656.

The previous prime is 326470911959. The next prime is 326470911979. The reversal of 326470911978 is 879119074623.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (326470911979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5317603 + ... + 5378646.

It is an arithmetic number, because the mean of its divisors is an integer number (40816890000).

Almost surely, 2^326470911978 is an apocalyptic number.

326470911978 is an abundant number, since it is smaller than the sum of its proper divisors (326599328022).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

326470911978 is a wasteful number, since it uses less digits than its factorization.

326470911978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10701341.

The product of its (nonzero) digits is 4572288, while the sum is 57.

The spelling of 326470911978 in words is "three hundred twenty-six billion, four hundred seventy million, nine hundred eleven thousand, nine hundred seventy-eight".