82321537062787 has 8 divisors (see below), whose sum is σ = 90451394550720. Its totient is φ = 74299359806760.

The previous prime is 82321537062773. The next prime is 82321537062797. The reversal of 82321537062787 is 78726073512328.

It is a happy number.

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

It is not a de Polignac number, because 82321537062787 - 2⁴³ = 73525444040579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82321537062707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26920056373 + ... + 26920059430.

It is an arithmetic number, because the mean of its divisors is an integer number (11306424318840).

Almost surely, 2^{82321537062787} is an apocalyptic number.

82321537062787 is a deficient number, since it is larger than the sum of its proper divisors (8129857487933).

82321537062787 is a wasteful number, since it uses less digits than its factorization.

82321537062787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53840115953.

The product of its (nonzero) digits is 47416320, while the sum is 61.

The spelling of 82321537062787 in words is "eighty-two trillion, three hundred twenty-one billion, five hundred thirty-seven million, sixty-two thousand, seven hundred eighty-seven".