258896811948 has 24 divisors (see below), whose sum is σ = 604126064640. Its totient is φ = 86294151120.

The previous prime is 258896811947. The next prime is 258896811997. The reversal of 258896811948 is 849118698852.

It is not an unprimeable number, because it can be changed into a prime (258896811947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 369388 + ... + 808851.

It is an arithmetic number, because the mean of its divisors is an integer number (25171919360).

Almost surely, 2^258896811948 is an apocalyptic number.

It is an amenable number.

258896811948 is an abundant number, since it is smaller than the sum of its proper divisors (345229252692).

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

258896811948 is a wasteful number, since it uses less digits than its factorization.

258896811948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1196557 (or 1196555 counting only the distinct ones).

The product of its digits is 79626240, while the sum is 69.

The spelling of 258896811948 in words is "two hundred fifty-eight billion, eight hundred ninety-six million, eight hundred eleven thousand, nine hundred forty-eight".