238536870505 has 8 divisors (see below), whose sum is σ = 286321609224. Its totient is φ = 190777920000.

The previous prime is 238536870497. The next prime is 238536870587. The reversal of 238536870505 is 505078635832.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 54413493289 + 184123377216 = 233267^2 + 429096^2 .

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

It is not a de Polignac number, because 238536870505 - 2³ = 238536870497 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6426696 + ... + 6463705.

It is an arithmetic number, because the mean of its divisors is an integer number (35790201153).

Almost surely, 2^238536870505 is an apocalyptic number.

It is an amenable number.

238536870505 is a deficient number, since it is larger than the sum of its proper divisors (47784738719).

238536870505 is a wasteful number, since it uses less digits than its factorization.

238536870505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12894107.

The product of its (nonzero) digits is 6048000, while the sum is 52.

The spelling of 238536870505 in words is "two hundred thirty-eight billion, five hundred thirty-six million, eight hundred seventy thousand, five hundred five".