338575128487 has 2 divisors, whose sum is σ = 338575128488. Its totient is φ = 338575128486.

The previous prime is 338575128481. The next prime is 338575128583. The reversal of 338575128487 is 784821575833.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 338575128487 - 2³⁵ = 304215390119 is a prime.

It is a super-2 number, since 2×338575128487² (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 (338575128481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 169287564243 + 169287564244.

It is an arithmetic number, because the mean of its divisors is an integer number (169287564244).

Almost surely, 2^338575128487 is an apocalyptic number.

338575128487 is a deficient number, since it is larger than the sum of its proper divisors (1).

338575128487 is an equidigital number, since it uses as much as digits as its factorization.

338575128487 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 45158400, while the sum is 61.

The spelling of 338575128487 in words is "three hundred thirty-eight billion, five hundred seventy-five million, one hundred twenty-eight thousand, four hundred eighty-seven".