258823487 has 12 divisors (see below), whose sum is σ = 296097816. Its totient is φ = 224856960.

The previous prime is 258823469. The next prime is 258823517. The reversal of 258823487 is 784328852.

It is not a de Polignac number, because 258823487 - 2²⁴ = 242046271 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (258823417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30689 + ... + 38202.

It is an arithmetic number, because the mean of its divisors is an integer number (24674818).

Almost surely, 2^258823487 is an apocalyptic number.

258823487 is a deficient number, since it is larger than the sum of its proper divisors (37274329).

258823487 is a wasteful number, since it uses less digits than its factorization.

258823487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68938 (or 68921 counting only the distinct ones).

The product of its digits is 860160, while the sum is 47.

The square root of 258823487 is about 16087.9920126783. The cubic root of 258823487 is about 637.2862690924.

The spelling of 258823487 in words is "two hundred fifty-eight million, eight hundred twenty-three thousand, four hundred eighty-seven".