84791688048145 has 16 divisors (see below), whose sum is σ = 113355466252560. Its totient is φ = 60456248665344.

The previous prime is 84791688048103. The next prime is 84791688048163. The reversal of 84791688048145 is 54184088619748.

It can be written as a sum of positive squares in 8 ways, for example, as 18794895454864 + 65996792593281 = 4335308^2 + 8123841^2 .

It is a cyclic number.

It is not a de Polignac number, because 84791688048145 - 2²³ = 84791679659537 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22491162054 + ... + 22491165823.

It is an arithmetic number, because the mean of its divisors is an integer number (7084716640785).

Almost surely, 2^{84791688048145} is an apocalyptic number.

It is an amenable number.

84791688048145 is a deficient number, since it is larger than the sum of its proper divisors (28563778204415).

84791688048145 is a wasteful number, since it uses less digits than its factorization.

84791688048145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44982327924.

The product of its (nonzero) digits is 495452160, while the sum is 73.

The spelling of 84791688048145 in words is "eighty-four trillion, seven hundred ninety-one billion, six hundred eighty-eight million, forty-eight thousand, one hundred forty-five".