258061877194 has 16 divisors (see below), whose sum is σ = 422290935360. Its totient is φ = 117298668960.

The previous prime is 258061877189. The next prime is 258061877221. The reversal of 258061877194 is 491778160852.

It is a super-2 number, since 2×258061877194² (a number of 24 digits) contains 22 as substring.

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, 2031502 + ... + 2154790.

It is an arithmetic number, because the mean of its divisors is an integer number (26393183460).

Almost surely, 2^258061877194 is an apocalyptic number.

258061877194 is a deficient number, since it is larger than the sum of its proper divisors (164229058166).

258061877194 is a wasteful number, since it uses less digits than its factorization.

258061877194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218445.

The product of its (nonzero) digits is 6773760, while the sum is 58.

The spelling of 258061877194 in words is "two hundred fifty-eight billion, sixty-one million, eight hundred seventy-seven thousand, one hundred ninety-four".