258987972 has 24 divisors (see below), whose sum is σ = 604566592. Its totient is φ = 86292000.

The previous prime is 258987959. The next prime is 258987973. The reversal of 258987972 is 279789852.

It is not an unprimeable number, because it can be changed into a prime (258987973) 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 7 ways as a sum of consecutive naturals, for example, 48222 + ... + 53322.

Almost surely, 2^258987972 is an apocalyptic number.

It is an amenable number.

258987972 is an abundant number, since it is smaller than the sum of its proper divisors (345578620).

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

258987972 is a wasteful number, since it uses less digits than its factorization.

258987972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9339 (or 9337 counting only the distinct ones).

The product of its digits is 5080320, while the sum is 57.

The square root of 258987972 is about 16093.1032433151. The cubic root of 258987972 is about 637.4212411738.

The spelling of 258987972 in words is "two hundred fifty-eight million, nine hundred eighty-seven thousand, nine hundred seventy-two".