258797959791839 has 32 divisors (see below), whose sum is σ = 283096884188160. Its totient is φ = 235137784896000.

The previous prime is 258797959791827. The next prime is 258797959791859. The reversal of 258797959791839 is 938197959797852.

258797959791839 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 258797959791839 - 2¹⁶ = 258797959726303 is a prime.

It is a super-2 number, since 2×258797959791839² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (258797959791859) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1403603447 + ... + 1403787815.

It is an arithmetic number, because the mean of its divisors is an integer number (8846777630880).

Almost surely, 2^{258797959791839} is an apocalyptic number.

258797959791839 is a deficient number, since it is larger than the sum of its proper divisors (24298924396321).

258797959791839 is a wasteful number, since it uses less digits than its factorization.

258797959791839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186951.

The product of its digits is 194436547200, while the sum is 98.

The spelling of 258797959791839 in words is "two hundred fifty-eight trillion, seven hundred ninety-seven billion, nine hundred fifty-nine million, seven hundred ninety-one thousand, eight hundred thirty-nine".