326060312778 has 12 divisors (see below), whose sum is σ = 706464011058. Its totient is φ = 108686770920.

The previous prime is 326060312777. The next prime is 326060312779. The reversal of 326060312778 is 877213060623.

326060312778 is a `hidden beast` number, since 3 + 2 + 606 + 0 + 31 + 2 + 7 + 7 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (326060312777) and next prime (326060312779).

It can be written as a sum of positive squares in only one way, i.e., 274269021849 + 51791290929 = 523707^2 + 227577^2 .

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (326060312777) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9057230893 + ... + 9057230928.

Almost surely, 2^326060312778 is an apocalyptic number.

326060312778 is an abundant number, since it is smaller than the sum of its proper divisors (380403698280).

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

326060312778 is a wasteful number, since it uses less digits than its factorization.

326060312778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18114461829 (or 18114461826 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 45.

The spelling of 326060312778 in words is "three hundred twenty-six billion, sixty million, three hundred twelve thousand, seven hundred seventy-eight".