84418155877245 has 16 divisors (see below), whose sum is σ = 135069590145600. Its totient is φ = 45022836220544.

The previous prime is 84418155877241. The next prime is 84418155877267. The reversal of 84418155877245 is 54277855181448.

It is a cyclic number.

It is not a de Polignac number, because 84418155877245 - 2² = 84418155877241 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 84418155877245.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84418155877241) 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 in 15 ways as a sum of consecutive naturals, for example, 7349895 + ... + 14928404.

It is an arithmetic number, because the mean of its divisors is an integer number (8441849384100).

Almost surely, 2^{84418155877245} is an apocalyptic number.

It is an amenable number.

84418155877245 is a deficient number, since it is larger than the sum of its proper divisors (50651434268355).

84418155877245 is a wasteful number, since it uses less digits than its factorization.

84418155877245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22530924.

The product of its digits is 401408000, while the sum is 69.

The spelling of 84418155877245 in words is "eighty-four trillion, four hundred eighteen billion, one hundred fifty-five million, eight hundred seventy-seven thousand, two hundred forty-five".