82620750825556 has 12 divisors (see below), whose sum is σ = 145912793889940. Its totient is φ = 40931381142720.

The previous prime is 82620750825499. The next prime is 82620750825577. The reversal of 82620750825556 is 65552805702628.

It can be written as a sum of positive squares in 2 ways, for example, as 53166468073156 + 29454282752400 = 7291534^2 + 5427180^2 .

It is a super-2 number, since 2×82620750825556² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 82620750825494 and 82620750825503.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94748567025 + ... + 94748567896.

Almost surely, 2^{82620750825556} is an apocalyptic number.

It is an amenable number.

82620750825556 is a deficient number, since it is larger than the sum of its proper divisors (63292043064384).

82620750825556 is a wasteful number, since it uses less digits than its factorization.

82620750825556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189497135034 (or 189497135032 counting only the distinct ones).

The product of its (nonzero) digits is 80640000, while the sum is 61.

The spelling of 82620750825556 in words is "eighty-two trillion, six hundred twenty billion, seven hundred fifty million, eight hundred twenty-five thousand, five hundred fifty-six".