258796056 has 32 divisors (see below), whose sum is σ = 664478640. Its totient is φ = 83933568.

The previous prime is 258796051. The next prime is 258796067. The reversal of 258796056 is 650697852.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 258795996 and 258796014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (258796051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 144831 + ... + 146606.

Almost surely, 2^258796056 is an apocalyptic number.

It is an amenable number.

258796056 is an abundant number, since it is smaller than the sum of its proper divisors (405682584).

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

258796056 is a wasteful number, since it uses less digits than its factorization.

258796056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291483 (or 291479 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 48.

The square root of 258796056 is about 16087.1394598294. The cubic root of 258796056 is about 637.2637543695.

The spelling of 258796056 in words is "two hundred fifty-eight million, seven hundred ninety-six thousand, fifty-six".