509677752258 has 12 divisors (see below), whose sum is σ = 1104301796598. Its totient is φ = 169892584080.

The previous prime is 509677752257. The next prime is 509677752263. The reversal of 509677752258 is 852257776905.

509677752258 is a `hidden beast` number, since 50 + 9 + 6 + 7 + 7 + 7 + 522 + 58 = 666.

It can be written as a sum of positive squares in only one way, i.e., 458265364209 + 51412388049 = 676953^2 + 226743^2 .

It is a super-2 number, since 2×509677752258² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 509677752195 and 509677752204.

It is not an unprimeable number, because it can be changed into a prime (509677752257) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14157715323 + ... + 14157715358.

Almost surely, 2^509677752258 is an apocalyptic number.

509677752258 is an abundant number, since it is smaller than the sum of its proper divisors (594624044340).

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

509677752258 is a wasteful number, since it uses less digits than its factorization.

509677752258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28315430689 (or 28315430686 counting only the distinct ones).

The product of its (nonzero) digits is 74088000, while the sum is 63.

It can be divided in two parts, 50967 and 7752258, that added together give a triangular number (7803225 = T₃₉₅₀).

The spelling of 509677752258 in words is "five hundred nine billion, six hundred seventy-seven million, seven hundred fifty-two thousand, two hundred fifty-eight".