82704245725818 has 24 divisors (see below), whose sum is σ = 179482019558400. Its totient is φ = 27523545423624.

The previous prime is 82704245725807. The next prime is 82704245725957. The reversal of 82704245725818 is 81852754240728.

82704245725818 is a `hidden beast` number, since 8 + 2 + 7 + 0 + 4 + 2 + 4 + 572 + 58 + 1 + 8 = 666.

It is a super-2 number, since 2×82704245725818² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3711362298 + ... + 3711384581.

It is an arithmetic number, because the mean of its divisors is an integer number (7478417481600).

Almost surely, 2^{82704245725818} is an apocalyptic number.

82704245725818 is an abundant number, since it is smaller than the sum of its proper divisors (96777773832582).

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

82704245725818 is a wasteful number, since it uses less digits than its factorization.

82704245725818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7422747506 (or 7422747503 counting only the distinct ones).

The product of its (nonzero) digits is 80281600, while the sum is 63.

The spelling of 82704245725818 in words is "eighty-two trillion, seven hundred four billion, two hundred forty-five million, seven hundred twenty-five thousand, eight hundred eighteen".