258677672 has 24 divisors (see below), whose sum is σ = 533123850. Its totient is φ = 117580320.

The previous prime is 258677659. The next prime is 258677681. The reversal of 258677672 is 276776852.

It can be written as a sum of positive squares in only one way, i.e., 255808036 + 2869636 = 15994^2 + 1694^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 258677672.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 132647 + ... + 134582.

Almost surely, 2^258677672 is an apocalyptic number.

258677672 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

258677672 is an abundant number, since it is smaller than the sum of its proper divisors (274446178).

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

258677672 is a wasteful number, since it uses less digits than its factorization.

258677672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267257 (or 267242 counting only the distinct ones).

The product of its digits is 1975680, while the sum is 50.

The square root of 258677672 is about 16083.4595780883. The cubic root of 258677672 is about 637.1665692993.

The spelling of 258677672 in words is "two hundred fifty-eight million, six hundred seventy-seven thousand, six hundred seventy-two".