22878638500313 has 2 divisors, whose sum is σ = 22878638500314. Its totient is φ = 22878638500312.

The previous prime is 22878638500297. The next prime is 22878638500331. The reversal of 22878638500313 is 31300583687822.

It is a happy number.

Together with next prime (22878638500331) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21904524771529 + 974113728784 = 4680227^2 + 986972^2 .

It is a cyclic number.

It is not a de Polignac number, because 22878638500313 - 2⁴ = 22878638500297 is a prime.

It is not a weakly prime, because it can be changed into another prime (22878638500813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11439319250156 + 11439319250157.

It is an arithmetic number, because the mean of its divisors is an integer number (11439319250157).

Almost surely, 2^{22878638500313} is an apocalyptic number.

It is an amenable number.

22878638500313 is a deficient number, since it is larger than the sum of its proper divisors (1).

22878638500313 is an equidigital number, since it uses as much as digits as its factorization.

22878638500313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11612160, while the sum is 56.

The spelling of 22878638500313 in words is "twenty-two trillion, eight hundred seventy-eight billion, six hundred thirty-eight million, five hundred thousand, three hundred thirteen".