82784696667 has 8 divisors (see below), whose sum is σ = 110386698240. Its totient is φ = 55186246440.

The previous prime is 82784696641. The next prime is 82784696671. The reversal of 82784696667 is 76669648728.

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

It is a de Polignac number, because none of the positive numbers 2^k-82784696667 is a prime.

It is not an unprimeable number, because it can be changed into a prime (82784696627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 832959 + ... + 927032.

It is an arithmetic number, because the mean of its divisors is an integer number (13798337280).

Almost surely, 2^82784696667 is an apocalyptic number.

82784696667 is a deficient number, since it is larger than the sum of its proper divisors (27602001573).

82784696667 is a wasteful number, since it uses less digits than its factorization.

82784696667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1775673.

The product of its digits is 292626432, while the sum is 69.

The spelling of 82784696667 in words is "eighty-two billion, seven hundred eighty-four million, six hundred ninety-six thousand, six hundred sixty-seven".