258468881 has 16 divisors (see below), whose sum is σ = 285263808. Its totient is φ = 232243200.

The previous prime is 258468877. The next prime is 258468883. The reversal of 258468881 is 188864852.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 258468881 - 2² = 258468877 is a prime.

It is a super-2 number, since 2×258468881² = 133612324890784322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (258468883) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 447665 + ... + 448241.

It is an arithmetic number, because the mean of its divisors is an integer number (17828988).

Almost surely, 2^258468881 is an apocalyptic number.

It is an amenable number.

258468881 is a deficient number, since it is larger than the sum of its proper divisors (26794927).

258468881 is a wasteful number, since it uses less digits than its factorization.

258468881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 992.

The product of its digits is 983040, while the sum is 50.

The square root of 258468881 is about 16076.9674068215. The cubic root of 258468881 is about 636.9950940511.

The spelling of 258468881 in words is "two hundred fifty-eight million, four hundred sixty-eight thousand, eight hundred eighty-one".