82640461655347 has 4 divisors (see below), whose sum is σ = 82641426952680. Its totient is φ = 82639496358016.

The previous prime is 82640461655293. The next prime is 82640461655377. The reversal of 82640461655347 is 74355616404628.

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 82640461655347 - 2³⁵ = 82606101916979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82640461655377) 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, 482520238 + ... + 482691475.

It is an arithmetic number, because the mean of its divisors is an integer number (20660356738170).

Almost surely, 2^{82640461655347} is an apocalyptic number.

82640461655347 is a deficient number, since it is larger than the sum of its proper divisors (965297333).

82640461655347 is an equidigital number, since it uses as much as digits as its factorization.

82640461655347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 965297332.

The product of its (nonzero) digits is 116121600, while the sum is 61.

The spelling of 82640461655347 in words is "eighty-two trillion, six hundred forty billion, four hundred sixty-one million, six hundred fifty-five thousand, three hundred forty-seven".