238364907057 has 32 divisors (see below), whose sum is σ = 374623781760. Its totient is φ = 149275077120.

The previous prime is 238364907029. The next prime is 238364907071. The reversal of 238364907057 is 750709463832.

238364907057 is a `hidden beast` number, since 2 + 3 + 8 + 36 + 490 + 70 + 57 = 666.

It is not a de Polignac number, because 238364907057 - 2⁷ = 238364906929 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 238364906994 and 238364907012.

It is not an unprimeable number, because it can be changed into a prime (238364907857) 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, 259243 + ... + 737520.

It is an arithmetic number, because the mean of its divisors is an integer number (11706993180).

Almost surely, 2^238364907057 is an apocalyptic number.

238364907057 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

238364907057 is a deficient number, since it is larger than the sum of its proper divisors (136258874703).

238364907057 is a wasteful number, since it uses less digits than its factorization.

238364907057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 997310 (or 997304 counting only the distinct ones).

The product of its (nonzero) digits is 7620480, while the sum is 54.

The spelling of 238364907057 in words is "two hundred thirty-eight billion, three hundred sixty-four million, nine hundred seven thousand, fifty-seven".