82643815062142 has 8 divisors (see below), whose sum is σ = 124682287464216. Its totient is φ = 41083052574072.

The previous prime is 82643815062103. The next prime is 82643815062173. The reversal of 82643815062142 is 24126051834628.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 82643815062142.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 119427478068 + ... + 119427478759.

It is an arithmetic number, because the mean of its divisors is an integer number (15585285933027).

Almost surely, 2^{82643815062142} is an apocalyptic number.

82643815062142 is a deficient number, since it is larger than the sum of its proper divisors (42038472402074).

82643815062142 is a wasteful number, since it uses less digits than its factorization.

82643815062142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238854957002.

The product of its (nonzero) digits is 4423680, while the sum is 52.

The spelling of 82643815062142 in words is "eighty-two trillion, six hundred forty-three billion, eight hundred fifteen million, sixty-two thousand, one hundred forty-two".