238638877514 has 8 divisors (see below), whose sum is σ = 358198078500. Its totient is φ = 119239518016.

The previous prime is 238638877489. The next prime is 238638877531. The reversal of 238638877514 is 415778836832.

It can be written as a sum of positive squares in 2 ways, for example, as 223308228025 + 15330649489 = 472555^2 + 123817^2 .

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

It is a super-2 number, since 2×238638877514² (a number of 24 digits) contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 39956639 + ... + 39962610.

Almost surely, 2^238638877514 is an apocalyptic number.

238638877514 is a deficient number, since it is larger than the sum of its proper divisors (119559200986).

238638877514 is a wasteful number, since it uses less digits than its factorization.

238638877514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79920744.

The product of its digits is 54190080, while the sum is 62.

The spelling of 238638877514 in words is "two hundred thirty-eight billion, six hundred thirty-eight million, eight hundred seventy-seven thousand, five hundred fourteen".