258884772 has 24 divisors (see below), whose sum is σ = 639598176. Its totient is φ = 81218688.

The previous prime is 258884771. The next prime is 258884777. The reversal of 258884772 is 277488852.

258884772 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (258884771) 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, 634318 + ... + 634725.

It is an arithmetic number, because the mean of its divisors is an integer number (26649924).

Almost surely, 2^258884772 is an apocalyptic number.

It is an amenable number.

258884772 is an abundant number, since it is smaller than the sum of its proper divisors (380713404).

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

258884772 is a wasteful number, since it uses less digits than its factorization.

258884772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1269067 (or 1269065 counting only the distinct ones).

The product of its digits is 2007040, while the sum is 51.

The square root of 258884772 is about 16089.8965813954. The cubic root of 258884772 is about 637.3365646397.

The spelling of 258884772 in words is "two hundred fifty-eight million, eight hundred eighty-four thousand, seven hundred seventy-two".