258819065832 has 32 divisors (see below), whose sum is σ = 647177400000. Its totient is φ = 86255723904.

The previous prime is 258819065821. The next prime is 258819065839. The reversal of 258819065832 is 238560918852.

It is not an unprimeable number, because it can be changed into a prime (258819065839) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 958653 + ... + 1198604.

It is an arithmetic number, because the mean of its divisors is an integer number (20224293750).

Almost surely, 2^258819065832 is an apocalyptic number.

It is an amenable number.

258819065832 is an abundant number, since it is smaller than the sum of its proper divisors (388358334168).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

258819065832 is a wasteful number, since it uses less digits than its factorization.

258819065832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2162265 (or 2162261 counting only the distinct ones).

The product of its (nonzero) digits is 8294400, while the sum is 57.

The spelling of 258819065832 in words is "two hundred fifty-eight billion, eight hundred nineteen million, sixty-five thousand, eight hundred thirty-two".