326697127974 has 144 divisors (see below), whose sum is σ = 852322208400. Its totient is φ = 90068485248.

The previous prime is 326697127973. The next prime is 326697127987. The reversal of 326697127974 is 479721796623.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (326697127973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 60284637 + ... + 60290055.

It is an arithmetic number, because the mean of its divisors is an integer number (5918904225).

Almost surely, 2^326697127974 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 326697127974, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (426161104200).

326697127974 is an abundant number, since it is smaller than the sum of its proper divisors (525625080426).

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

326697127974 is a wasteful number, since it uses less digits than its factorization.

326697127974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7827 (or 7817 counting only the distinct ones).

The product of its digits is 48009024, while the sum is 63.

The spelling of 326697127974 in words is "three hundred twenty-six billion, six hundred ninety-seven million, one hundred twenty-seven thousand, nine hundred seventy-four".