238648174047 has 32 divisors (see below), whose sum is σ = 374050195200. Its totient is φ = 149959996704.

The previous prime is 238648174043. The next prime is 238648174067. The reversal of 238648174047 is 740471846832.

238648174047 is a `hidden beast` number, since 2 + 3 + 86 + 481 + 7 + 40 + 47 = 666.

It is not a de Polignac number, because 238648174047 - 2² = 238648174043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 238648173984 and 238648174002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238648174043) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1079653 + ... + 1281774.

It is an arithmetic number, because the mean of its divisors is an integer number (11689068600).

Almost surely, 2^238648174047 is an apocalyptic number.

238648174047 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

238648174047 is a deficient number, since it is larger than the sum of its proper divisors (135402021153).

238648174047 is a wasteful number, since it uses less digits than its factorization.

238648174047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2361652 (or 2361646 counting only the distinct ones).

The product of its (nonzero) digits is 7225344, while the sum is 54.

The spelling of 238648174047 in words is "two hundred thirty-eight billion, six hundred forty-eight million, one hundred seventy-four thousand, forty-seven".