82687382456372 has 6 divisors (see below), whose sum is σ = 144702919298658. Its totient is φ = 41343691228184.

The previous prime is 82687382456321. The next prime is 82687382456381. The reversal of 82687382456372 is 27365428378628.

It can be written as a sum of positive squares in only one way, i.e., 82687268308516 + 114147856 = 9093254^2 + 10684^2 .

It is a junction number, because it is equal to n+sod(n) for n = 82687382456296 and 82687382456305.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10335922807043 + ... + 10335922807050.

It is an arithmetic number, because the mean of its divisors is an integer number (24117153216443).

Almost surely, 2^{82687382456372} is an apocalyptic number.

It is an amenable number.

82687382456372 is a deficient number, since it is larger than the sum of its proper divisors (62015536842286).

82687382456372 is a wasteful number, since it uses less digits than its factorization.

82687382456372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20671845614097 (or 20671845614095 counting only the distinct ones).

The product of its digits is 1300561920, while the sum is 71.

The spelling of 82687382456372 in words is "eighty-two trillion, six hundred eighty-seven billion, three hundred eighty-two million, four hundred fifty-six thousand, three hundred seventy-two".