238770766215 has 12 divisors (see below), whose sum is σ = 413869328184. Its totient is φ = 127344408624.

The previous prime is 238770766183. The next prime is 238770766217. The reversal of 238770766215 is 512667077832.

It is a happy number.

238770766215 is a `hidden beast` number, since 2 + 3 + 8 + 7 + 7 + 0 + 7 + 6 + 621 + 5 = 666.

It is not a de Polignac number, because 238770766215 - 2⁵ = 238770766183 is a prime.

It is a super-2 number, since 2×238770766215² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238770766217) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2653008469 + ... + 2653008558.

It is an arithmetic number, because the mean of its divisors is an integer number (34489110682).

Almost surely, 2^238770766215 is an apocalyptic number.

238770766215 is a deficient number, since it is larger than the sum of its proper divisors (175098561969).

238770766215 is a wasteful number, since it uses less digits than its factorization.

238770766215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5306017038 (or 5306017035 counting only the distinct ones).

The product of its (nonzero) digits is 5927040, while the sum is 54.

The spelling of 238770766215 in words is "two hundred thirty-eight billion, seven hundred seventy million, seven hundred sixty-six thousand, two hundred fifteen".