238728827590 has 16 divisors (see below), whose sum is σ = 468776607120. Its totient is φ = 86810482720.

The previous prime is 238728827581. The next prime is 238728827627. The reversal of 238728827590 is 95728827832.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1085130925 + ... + 1085131144.

It is an arithmetic number, because the mean of its divisors is an integer number (29298537945).

Almost surely, 2^238728827590 is an apocalyptic number.

238728827590 is a deficient number, since it is larger than the sum of its proper divisors (230047779530).

238728827590 is a wasteful number, since it uses less digits than its factorization.

238728827590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2170262087.

The product of its (nonzero) digits is 27095040, while the sum is 61.

The spelling of 238728827590 in words is "two hundred thirty-eight billion, seven hundred twenty-eight million, eight hundred twenty-seven thousand, five hundred ninety".