799621547 has 8 divisors (see below), whose sum is σ = 820577520. Its totient is φ = 778883040.

The previous prime is 799621451. The next prime is 799621573. The reversal of 799621547 is 745126997.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 799621547 - 2¹⁸ = 799359403 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 799621495 and 799621504.

It is not an unprimeable number, because it can be changed into a prime (799621577) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46904 + ... + 61637.

It is an arithmetic number, because the mean of its divisors is an integer number (102572190).

Almost surely, 2^799621547 is an apocalyptic number.

799621547 is a deficient number, since it is larger than the sum of its proper divisors (20955973).

799621547 is a wasteful number, since it uses less digits than its factorization.

799621547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108733.

The product of its digits is 952560, while the sum is 50.

The square root of 799621547 is about 28277.5802889851. The cubic root of 799621547 is about 928.1713583649.

The spelling of 799621547 in words is "seven hundred ninety-nine million, six hundred twenty-one thousand, five hundred forty-seven".