238390522879 has 2 divisors, whose sum is σ = 238390522880. Its totient is φ = 238390522878.

The previous prime is 238390522871. The next prime is 238390522891. The reversal of 238390522879 is 978225093832.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 238390522879 - 2³ = 238390522871 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (238390522871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119195261439 + 119195261440.

It is an arithmetic number, because the mean of its divisors is an integer number (119195261440).

Almost surely, 2^238390522879 is an apocalyptic number.

238390522879 is a deficient number, since it is larger than the sum of its proper divisors (1).

238390522879 is an equidigital number, since it uses as much as digits as its factorization.

238390522879 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13063680, while the sum is 58.

The spelling of 238390522879 in words is "two hundred thirty-eight billion, three hundred ninety million, five hundred twenty-two thousand, eight hundred seventy-nine".