82706556222667 has 6 divisors (see below), whose sum is σ = 89557986915852. Its totient is φ = 76344513436152.

The previous prime is 82706556222593. The next prime is 82706556222743. The reversal of 82706556222667 is 76622265560728.

It is not a de Polignac number, because 82706556222667 - 2²⁷ = 82706422004939 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 82706556222599 and 82706556222608.

It is not an unprimeable number, because it can be changed into a prime (82706556222167) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 244693953153 + ... + 244693953490.

It is an arithmetic number, because the mean of its divisors is an integer number (14926331152642).

Almost surely, 2^{82706556222667} is an apocalyptic number.

82706556222667 is a deficient number, since it is larger than the sum of its proper divisors (6851430693185).

82706556222667 is a wasteful number, since it uses less digits than its factorization.

82706556222667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489387906669 (or 489387906656 counting only the distinct ones).

The product of its (nonzero) digits is 203212800, while the sum is 64.

The spelling of 82706556222667 in words is "eighty-two trillion, seven hundred six billion, five hundred fifty-six million, two hundred twenty-two thousand, six hundred sixty-seven".