238420788207735 has 16 divisors (see below), whose sum is σ = 435969441294336. Its totient is φ = 108992360323488.

The previous prime is 238420788207733. The next prime is 238420788207779. The reversal of 238420788207735 is 537702887024832.

It is not a de Polignac number, because 238420788207735 - 2¹ = 238420788207733 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238420788207733) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1135337086599 + ... + 1135337086808.

It is an arithmetic number, because the mean of its divisors is an integer number (27248090080896).

Almost surely, 2^{238420788207735} is an apocalyptic number.

238420788207735 is a deficient number, since it is larger than the sum of its proper divisors (197548653086601).

238420788207735 is a wasteful number, since it uses less digits than its factorization.

238420788207735 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2270674173422.

The product of its (nonzero) digits is 252887040, while the sum is 66.

The spelling of 238420788207735 in words is "two hundred thirty-eight trillion, four hundred twenty billion, seven hundred eighty-eight million, two hundred seven thousand, seven hundred thirty-five".