799629816547 has 4 divisors (see below), whose sum is σ = 800720717440. Its totient is φ = 798538915656.

The previous prime is 799629816509. The next prime is 799629816551. The reversal of 799629816547 is 745618926997.

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 799629816547 - 2²⁷ = 799495598819 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 799629816547.

It is not an unprimeable number, because it can be changed into a prime (799629816847) 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, 545449347 + ... + 545450812.

It is an arithmetic number, because the mean of its divisors is an integer number (200180179360).

Almost surely, 2^799629816547 is an apocalyptic number.

799629816547 is a deficient number, since it is larger than the sum of its proper divisors (1090900893).

799629816547 is a wasteful number, since it uses less digits than its factorization.

799629816547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1090900892.

The product of its digits is 411505920, while the sum is 73.

The spelling of 799629816547 in words is "seven hundred ninety-nine billion, six hundred twenty-nine million, eight hundred sixteen thousand, five hundred forty-seven".