84799679347 has 2 divisors, whose sum is σ = 84799679348. Its totient is φ = 84799679346.

The previous prime is 84799679333. The next prime is 84799679387. The reversal of 84799679347 is 74397699748.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-84799679347 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 84799679347.

It is not a weakly prime, because it can be changed into another prime (84799679387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42399839673 + 42399839674.

It is an arithmetic number, because the mean of its divisors is an integer number (42399839674).

Almost surely, 2^84799679347 is an apocalyptic number.

84799679347 is a deficient number, since it is larger than the sum of its proper divisors (1).

84799679347 is an equidigital number, since it uses as much as digits as its factorization.

84799679347 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 576108288, while the sum is 73.

The spelling of 84799679347 in words is "eighty-four billion, seven hundred ninety-nine million, six hundred seventy-nine thousand, three hundred forty-seven".