82686135848510 has 32 divisors (see below), whose sum is σ = 157758233199840. Its totient is φ = 31095676265472.

The previous prime is 82686135848501. The next prime is 82686135848539. The reversal of 82686135848510 is 1584853168628.

It is a happy number.

It is a congruent number.

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, 259386620 + ... + 259705199.

It is an arithmetic number, because the mean of its divisors is an integer number (4929944787495).

Almost surely, 2^{82686135848510} is an apocalyptic number.

82686135848510 is a deficient number, since it is larger than the sum of its proper divisors (75072097351330).

82686135848510 is a wasteful number, since it uses less digits than its factorization.

82686135848510 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 519092780.

The product of its (nonzero) digits is 88473600, while the sum is 65.

The spelling of 82686135848510 in words is "eighty-two trillion, six hundred eighty-six billion, one hundred thirty-five million, eight hundred forty-eight thousand, five hundred ten".