238997225277 has 12 divisors (see below), whose sum is σ = 351731766204. Its totient is φ = 156325228800.

The previous prime is 238997225263. The next prime is 238997225293. The reversal of 238997225277 is 772522799832.

238997225277 is a `hidden beast` number, since 2 + 3 + 89 + 9 + 7 + 22 + 527 + 7 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 126469851876 + 112527373401 = 355626^2 + 335451^2 .

It is not a de Polignac number, because 238997225277 - 2⁸ = 238997225021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238997225237) 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 11 ways as a sum of consecutive naturals, for example, 250520724 + ... + 250521677.

It is an arithmetic number, because the mean of its divisors is an integer number (29310980517).

Almost surely, 2^238997225277 is an apocalyptic number.

It is an amenable number.

238997225277 is a deficient number, since it is larger than the sum of its proper divisors (112734540927).

238997225277 is a wasteful number, since it uses less digits than its factorization.

238997225277 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501042460 (or 501042457 counting only the distinct ones).

The product of its digits is 53343360, while the sum is 63.

The spelling of 238997225277 in words is "two hundred thirty-eight billion, nine hundred ninety-seven million, two hundred twenty-five thousand, two hundred seventy-seven".