67756489661982 has 48 divisors (see below), whose sum is σ = 149478616667520. Its totient is φ = 20459717343120.

The previous prime is 67756489661981. The next prime is 67756489661983. The reversal of 67756489661982 is 28916698465776.

It is an interprime number because it is at equal distance from previous prime (67756489661981) and next prime (67756489661983).

It is a junction number, because it is equal to n+sod(n) for n = 67756489661895 and 67756489661904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67756489661981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 164685882 + ... + 165096797.

It is an arithmetic number, because the mean of its divisors is an integer number (3114137847240).

Almost surely, 2^{67756489661982} is an apocalyptic number.

67756489661982 is an abundant number, since it is smaller than the sum of its proper divisors (81722127005538).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

67756489661982 is a wasteful number, since it uses less digits than its factorization.

67756489661982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329782989 (or 329782978 counting only the distinct ones).

The product of its digits is 13168189440, while the sum is 84.

The spelling of 67756489661982 in words is "sixty-seven trillion, seven hundred fifty-six billion, four hundred eighty-nine million, six hundred sixty-one thousand, nine hundred eighty-two".