258098871 has 4 divisors (see below), whose sum is σ = 344131832. Its totient is φ = 172065912.

The previous prime is 258098851. The next prime is 258098881. The reversal of 258098871 is 178890852.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 258098871 - 2⁹ = 258098359 is a prime.

It is a super-2 number, since 2×258098871² = 133230054422949282, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 258098871.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (258098851) 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, 43016476 + ... + 43016481.

It is an arithmetic number, because the mean of its divisors is an integer number (86032958).

Almost surely, 2^258098871 is an apocalyptic number.

258098871 is a deficient number, since it is larger than the sum of its proper divisors (86032961).

258098871 is an equidigital number, since it uses as much as digits as its factorization.

258098871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86032960.

The product of its (nonzero) digits is 322560, while the sum is 48.

The square root of 258098871 is about 16065.4558292007. The cubic root of 258098871 is about 636.6909863734.

The spelling of 258098871 in words is "two hundred fifty-eight million, ninety-eight thousand, eight hundred seventy-one".