238047385801 has 9 divisors (see below), whose sum is σ = 251245390701. Its totient is φ = 225509793804.

The previous prime is 238047385769. The next prime is 238047385867. The reversal of 238047385801 is 108583740832.

The square root of 238047385801 is 487901.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 238047385801 - 2⁵ = 238047385769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (238047385501) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 9257280 + ... + 9282958.

Almost surely, 2^238047385801 is an apocalyptic number.

238047385801 is the 487901-st square number.

238047385801 is the 243951-st centered octagonal number.

It is an amenable number.

238047385801 is a deficient number, since it is larger than the sum of its proper divisors (13198004900).

238047385801 is an frugal number, since it uses more digits than its factorization.

238047385801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51396 (or 25698 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 49.

Multiplying 238047385801 by its sum of digits (49), we get a square (11664321904249 = 3415307²).

The spelling of 238047385801 in words is "two hundred thirty-eight billion, forty-seven million, three hundred eighty-five thousand, eight hundred one".