82578258075075 has 48 divisors (see below), whose sum is σ = 156061046620416. Its totient is φ = 37743416841600.

The previous prime is 82578258075073. The next prime is 82578258075083. The reversal of 82578258075075 is 57057085287528.

It is not a de Polignac number, because 82578258075075 - 2¹ = 82578258075073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (82578258075073) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10855236 + ... + 16822385.

It is an arithmetic number, because the mean of its divisors is an integer number (3251271804592).

Almost surely, 2^{82578258075075} is an apocalyptic number.

82578258075075 is a deficient number, since it is larger than the sum of its proper divisors (73482788545341).

82578258075075 is a wasteful number, since it uses less digits than its factorization.

82578258075075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27683324 (or 27683319 counting only the distinct ones).

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

The spelling of 82578258075075 in words is "eighty-two trillion, five hundred seventy-eight billion, two hundred fifty-eight million, seventy-five thousand, seventy-five".