258382874477 has 16 divisors (see below), whose sum is σ = 318096683520. Its totient is φ = 204378878592.

The previous prime is 258382874473. The next prime is 258382874509. The reversal of 258382874477 is 774478283852.

It is not a de Polignac number, because 258382874477 - 2² = 258382874473 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (258382874473) 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, 52277 + ... + 720762.

It is an arithmetic number, because the mean of its divisors is an integer number (19881042720).

Almost surely, 2^258382874477 is an apocalyptic number.

It is an amenable number.

258382874477 is a deficient number, since it is larger than the sum of its proper divisors (59713809043).

258382874477 is a wasteful number, since it uses less digits than its factorization.

258382874477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 776732.

The product of its digits is 168591360, while the sum is 65.

The spelling of 258382874477 in words is "two hundred fifty-eight billion, three hundred eighty-two million, eight hundred seventy-four thousand, four hundred seventy-seven".