800618428679 has 4 divisors (see below), whose sum is σ = 847713630384. Its totient is φ = 753523226976.

The previous prime is 800618428661. The next prime is 800618428721. The reversal of 800618428679 is 976824816008.

800618428679 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-800618428679 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (800018428679) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23547600827 + ... + 23547600860.

It is an arithmetic number, because the mean of its divisors is an integer number (211928407596).

Almost surely, 2^800618428679 is an apocalyptic number.

800618428679 is a deficient number, since it is larger than the sum of its proper divisors (47095201705).

800618428679 is a wasteful number, since it uses less digits than its factorization.

800618428679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47095201704.

The product of its (nonzero) digits is 9289728, while the sum is 59.

The spelling of 800618428679 in words is "eight hundred billion, six hundred eighteen million, four hundred twenty-eight thousand, six hundred seventy-nine".