82698647424068 has 24 divisors (see below), whose sum is σ = 155883129967320. Its totient is φ = 38161752606720.

The previous prime is 82698647424067. The next prime is 82698647424089. The reversal of 82698647424068 is 86042474689628.

It can be written as a sum of positive squares in 4 ways, for example, as 4304056442884 + 78394590981184 = 2074622^2 + 8854072^2 .

It is a Smith number, since the sum of its digits (74) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 82698647423986 and 82698647424004.

It is not an unprimeable number, because it can be changed into a prime (82698647424061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142497143 + ... + 143076318.

It is an arithmetic number, because the mean of its divisors is an integer number (6495130415305).

Almost surely, 2^{82698647424068} is an apocalyptic number.

It is an amenable number.

82698647424068 is a deficient number, since it is larger than the sum of its proper divisors (73184482543252).

82698647424068 is a wasteful number, since it uses less digits than its factorization.

82698647424068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285579047 (or 285579045 counting only the distinct ones).

The product of its (nonzero) digits is 1783627776, while the sum is 74.

The spelling of 82698647424068 in words is "eighty-two trillion, six hundred ninety-eight billion, six hundred forty-seven million, four hundred twenty-four thousand, sixty-eight".