82320682084642 has 4 divisors (see below), whose sum is σ = 123481023126966. Its totient is φ = 41160341042320.

The previous prime is 82320682084579. The next prime is 82320682084691. The reversal of 82320682084642 is 24648028602328.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 76524197291721 + 5796484792921 = 8747811^2 + 2407589^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20580170521159 + ... + 20580170521162.

Almost surely, 2^{82320682084642} is an apocalyptic number.

82320682084642 is a deficient number, since it is larger than the sum of its proper divisors (41160341042324).

82320682084642 is a wasteful number, since it uses less digits than its factorization.

82320682084642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41160341042323.

The product of its (nonzero) digits is 14155776, while the sum is 55.

The spelling of 82320682084642 in words is "eighty-two trillion, three hundred twenty billion, six hundred eighty-two million, eighty-four thousand, six hundred forty-two".