82507580775258 has 32 divisors (see below), whose sum is σ = 173225319966720. Its totient is φ = 26164241029680.

The previous prime is 82507580775229. The next prime is 82507580775283. The reversal of 82507580775258 is 85257708570528.

It is a junction number, because it is equal to n+sod(n) for n = 82507580775192 and 82507580775201.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3759219060 + ... + 3759241007.

It is an arithmetic number, because the mean of its divisors is an integer number (5413291248960).

Almost surely, 2^{82507580775258} is an apocalyptic number.

82507580775258 is an abundant number, since it is smaller than the sum of its proper divisors (90717739191462).

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

82507580775258 is a wasteful number, since it uses less digits than its factorization.

82507580775258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7518460162.

The product of its (nonzero) digits is 439040000, while the sum is 69.

The spelling of 82507580775258 in words is "eighty-two trillion, five hundred seven billion, five hundred eighty million, seven hundred seventy-five thousand, two hundred fifty-eight".