82810456612067 has 4 divisors (see below), whose sum is σ = 85665989598720. Its totient is φ = 79954923625416.

The previous prime is 82810456612007. The next prime is 82810456612073. The reversal of 82810456612067 is 76021665401828.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 82810456612067 - 2⁶ = 82810456612003 is a prime.

It is a super-2 number, since 2×82810456612067² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82810456612007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1427766493283 + ... + 1427766493340.

It is an arithmetic number, because the mean of its divisors is an integer number (21416497399680).

Almost surely, 2^{82810456612067} is an apocalyptic number.

82810456612067 is a deficient number, since it is larger than the sum of its proper divisors (2855532986653).

82810456612067 is a wasteful number, since it uses less digits than its factorization.

82810456612067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2855532986652.

The product of its (nonzero) digits is 7741440, while the sum is 56.

The spelling of 82810456612067 in words is "eighty-two trillion, eight hundred ten billion, four hundred fifty-six million, six hundred twelve thousand, sixty-seven".