82378448666003 has 8 divisors (see below), whose sum is σ = 94147793150208. Its totient is φ = 70609352850504.

The previous prime is 82378448665927. The next prime is 82378448666069. The reversal of 82378448666003 is 30066684487328.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 82378448666003 - 2¹⁰ = 82378448664979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (82378448666903) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61456751 + ... + 62782872.

It is an arithmetic number, because the mean of its divisors is an integer number (11768474143776).

Almost surely, 2^{82378448666003} is an apocalyptic number.

82378448666003 is a deficient number, since it is larger than the sum of its proper divisors (11769344484205).

82378448666003 is a wasteful number, since it uses less digits than its factorization.

82378448666003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124334353.

The product of its (nonzero) digits is 222953472, while the sum is 65.

The spelling of 82378448666003 in words is "eighty-two trillion, three hundred seventy-eight billion, four hundred forty-eight million, six hundred sixty-six thousand, three".