326467994477 has 2 divisors, whose sum is σ = 326467994478. Its totient is φ = 326467994476.

The previous prime is 326467994453. The next prime is 326467994483. The reversal of 326467994477 is 774499764623.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 227289609001 + 99178385476 = 476749^2 + 314926^2 .

It is a cyclic number.

It is not a de Polignac number, because 326467994477 - 2²⁰ = 326466945901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (326467994417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 163233997238 + 163233997239.

It is an arithmetic number, because the mean of its divisors is an integer number (163233997239).

Almost surely, 2^326467994477 is an apocalyptic number.

It is an amenable number.

326467994477 is a deficient number, since it is larger than the sum of its proper divisors (1).

326467994477 is an equidigital number, since it uses as much as digits as its factorization.

326467994477 is an evil number, because the sum of its binary digits is even.

The product of its digits is 384072192, while the sum is 68.

The spelling of 326467994477 in words is "three hundred twenty-six billion, four hundred sixty-seven million, nine hundred ninety-four thousand, four hundred seventy-seven".