238872157815 has 16 divisors (see below), whose sum is σ = 386800219008. Its totient is φ = 125863562016.

The previous prime is 238872157759. The next prime is 238872157861. The reversal of 238872157815 is 518751278832.

It is not a de Polignac number, because 238872157815 - 2¹⁹ = 238871633527 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95931349 + ... + 95933838.

It is an arithmetic number, because the mean of its divisors is an integer number (24175013688).

Almost surely, 2^238872157815 is an apocalyptic number.

238872157815 is a deficient number, since it is larger than the sum of its proper divisors (147928061193).

238872157815 is a wasteful number, since it uses less digits than its factorization.

238872157815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191865278.

The product of its digits is 7526400, while the sum is 57.

The spelling of 238872157815 in words is "two hundred thirty-eight billion, eight hundred seventy-two million, one hundred fifty-seven thousand, eight hundred fifteen".