258292987212 has 96 divisors (see below), whose sum is σ = 683607608320. Its totient is φ = 75247418880.

The previous prime is 258292987177. The next prime is 258292987229. The reversal of 258292987212 is 212789292852.

258292987212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (57) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 5171037 + ... + 5220747.

Almost surely, 2^258292987212 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 258292987212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (341803804160).

258292987212 is an abundant number, since it is smaller than the sum of its proper divisors (425314621108).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

258292987212 is a wasteful number, since it uses less digits than its factorization.

258292987212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51503 (or 51501 counting only the distinct ones).

The product of its digits is 5806080, while the sum is 57.

The spelling of 258292987212 in words is "two hundred fifty-eight billion, two hundred ninety-two million, nine hundred eighty-seven thousand, two hundred twelve".