799247551 has 8 divisors (see below), whose sum is σ = 803728224. Its totient is φ = 794776320.

The previous prime is 799247513. The next prime is 799247591. The reversal of 799247551 is 155742997.

It is a happy number.

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 799247551 - 2⁹ = 799247039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 799247495 and 799247504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (799247591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 225886 + ... + 229396.

It is an arithmetic number, because the mean of its divisors is an integer number (100466028).

Almost surely, 2^799247551 is an apocalyptic number.

799247551 is a deficient number, since it is larger than the sum of its proper divisors (4480673).

799247551 is a wasteful number, since it uses less digits than its factorization.

799247551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4721.

The product of its digits is 793800, while the sum is 49.

The square root of 799247551 is about 28270.9665735008. The cubic root of 799247551 is about 928.0266288528.

The spelling of 799247551 in words is "seven hundred ninety-nine million, two hundred forty-seven thousand, five hundred fifty-one".