238985079628 has 12 divisors (see below), whose sum is σ = 436407536880. Its totient is φ = 114297211952.

The previous prime is 238985079623. The next prime is 238985079649. The reversal of 238985079628 is 826970589832.

It is a super-2 number, since 2×238985079628² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (238985079623) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1298831863 + ... + 1298832046.

It is an arithmetic number, because the mean of its divisors is an integer number (36367294740).

Almost surely, 2^238985079628 is an apocalyptic number.

It is an amenable number.

238985079628 is a deficient number, since it is larger than the sum of its proper divisors (197422457252).

238985079628 is a wasteful number, since it uses less digits than its factorization.

238985079628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2597663936 (or 2597663934 counting only the distinct ones).

The product of its (nonzero) digits is 104509440, while the sum is 67.

The spelling of 238985079628 in words is "two hundred thirty-eight billion, nine hundred eighty-five million, seventy-nine thousand, six hundred twenty-eight".