238088078645 has 8 divisors (see below), whose sum is σ = 285712286904. Its totient is φ = 190466067904.

The previous prime is 238088078621. The next prime is 238088078651. The reversal of 238088078645 is 546870880832.

It can be written as a sum of positive squares in 4 ways, for example, as 39213108529 + 198874970116 = 198023^2 + 445954^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 238088078645 - 2¹⁰ = 238088077621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 300794 + ... + 752763.

It is an arithmetic number, because the mean of its divisors is an integer number (35714035863).

Almost surely, 2^238088078645 is an apocalyptic number.

It is an amenable number.

238088078645 is a deficient number, since it is larger than the sum of its proper divisors (47624208259).

238088078645 is a wasteful number, since it uses less digits than its factorization.

238088078645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1098759.

The product of its (nonzero) digits is 20643840, while the sum is 59.

The spelling of 238088078645 in words is "two hundred thirty-eight billion, eighty-eight million, seventy-eight thousand, six hundred forty-five".