798445747 has 4 divisors (see below), whose sum is σ = 871031736. Its totient is φ = 725859760.

The previous prime is 798445741. The next prime is 798445763. The reversal of 798445747 is 747544897.

It is a happy number.

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-798445747 is a prime.

It is a super-2 number, since 2×798445747² = 1275031221804776018, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (798445741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36292978 + ... + 36292999.

It is an arithmetic number, because the mean of its divisors is an integer number (217757934).

Almost surely, 2^798445747 is an apocalyptic number.

798445747 is a deficient number, since it is larger than the sum of its proper divisors (72585989).

798445747 is a wasteful number, since it uses less digits than its factorization.

798445747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72585988.

The product of its digits is 7902720, while the sum is 55.

The square root of 798445747 is about 28256.7823185868. The cubic root of 798445747 is about 927.7161933579.

The spelling of 798445747 in words is "seven hundred ninety-eight million, four hundred forty-five thousand, seven hundred forty-seven".