325678661279 has 2 divisors, whose sum is σ = 325678661280. Its totient is φ = 325678661278.

The previous prime is 325678661263. The next prime is 325678661309. The reversal of 325678661279 is 972166876523.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 325678661279 - 2⁴ = 325678661263 is a prime.

It is a super-2 number, since 2×325678661279² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (325678661479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162839330639 + 162839330640.

It is an arithmetic number, because the mean of its divisors is an integer number (162839330640).

Almost surely, 2^325678661279 is an apocalyptic number.

325678661279 is a deficient number, since it is larger than the sum of its proper divisors (1).

325678661279 is an equidigital number, since it uses as much as digits as its factorization.

325678661279 is an evil number, because the sum of its binary digits is even.

The product of its digits is 45722880, while the sum is 62.

The spelling of 325678661279 in words is "three hundred twenty-five billion, six hundred seventy-eight million, six hundred sixty-one thousand, two hundred seventy-nine".