1078864898099 has 4 divisors (see below), whose sum is σ = 1078934147136. Its totient is φ = 1078795649064.

The previous prime is 1078864898077. The next prime is 1078864898107. The reversal of 1078864898099 is 9908984688701.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1078864898099 - 2²⁰ = 1078863849523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1078864898999) 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 3 ways as a sum of consecutive naturals, for example, 34601144 + ... + 34632309.

It is an arithmetic number, because the mean of its divisors is an integer number (269733536784).

Almost surely, 2^{1078864898099} is an apocalyptic number.

1078864898099 is a deficient number, since it is larger than the sum of its proper divisors (69249037).

1078864898099 is an equidigital number, since it uses as much as digits as its factorization.

1078864898099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69249036.

The product of its (nonzero) digits is 501645312, while the sum is 77.

The spelling of 1078864898099 in words is "one trillion, seventy-eight billion, eight hundred sixty-four million, eight hundred ninety-eight thousand, ninety-nine".