82513258390 has 32 divisors (see below), whose sum is σ = 151175476224. Its totient is φ = 32418899040.

The previous prime is 82513258381. The next prime is 82513258393. The reversal of 82513258390 is 9385231528.

It is a self number, because there is not a number n which added to its sum of digits gives 82513258390.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82513258393) 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 15 ways as a sum of consecutive naturals, for example, 55035 + ... + 409945.

It is an arithmetic number, because the mean of its divisors is an integer number (4724233632).

Almost surely, 2^82513258390 is an apocalyptic number.

82513258390 is a deficient number, since it is larger than the sum of its proper divisors (68662217834).

82513258390 is a wasteful number, since it uses less digits than its factorization.

82513258390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355332.

The product of its (nonzero) digits is 518400, while the sum is 46.

The spelling of 82513258390 in words is "eighty-two billion, five hundred thirteen million, two hundred fifty-eight thousand, three hundred ninety".