238878411515 has 8 divisors (see below), whose sum is σ = 286676853360. Its totient is φ = 191087556192.

The previous prime is 238878411481. The next prime is 238878411517. The reversal of 238878411515 is 515114878832.

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 238878411515 - 2⁶ = 238878411451 is a prime.

It is not an unprimeable number, because it can be changed into a prime (238878411517) by changing a digit.

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, 1827125 + ... + 1953494.

It is an arithmetic number, because the mean of its divisors is an integer number (35834606670).

Almost surely, 2^238878411515 is an apocalyptic number.

238878411515 is a deficient number, since it is larger than the sum of its proper divisors (47798441845).

238878411515 is a wasteful number, since it uses less digits than its factorization.

238878411515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3793261.

The product of its digits is 2150400, while the sum is 53.

The spelling of 238878411515 in words is "two hundred thirty-eight billion, eight hundred seventy-eight million, four hundred eleven thousand, five hundred fifteen".