8619078021803 has 2 divisors, whose sum is σ = 8619078021804. Its totient is φ = 8619078021802.

The previous prime is 8619078021797. The next prime is 8619078021871. The reversal of 8619078021803 is 3081208709168.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8619078021803 - 2⁴ = 8619078021787 is a prime.

It is not a weakly prime, because it can be changed into another prime (8619078521803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4309539010901 + 4309539010902.

It is an arithmetic number, because the mean of its divisors is an integer number (4309539010902).

Almost surely, 2^{8619078021803} is an apocalyptic number.

8619078021803 is a deficient number, since it is larger than the sum of its proper divisors (1).

8619078021803 is an equidigital number, since it uses as much as digits as its factorization.

8619078021803 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1161216, while the sum is 53.

The spelling of 8619078021803 in words is "eight trillion, six hundred nineteen billion, seventy-eight million, twenty-one thousand, eight hundred three".