799149543 has 16 divisors (see below), whose sum is σ = 1080199680. Its totient is φ = 525447936.

The previous prime is 799149479. The next prime is 799149553. The reversal of 799149543 is 345941997.

It is not a de Polignac number, because 799149543 - 2⁶ = 799149479 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (799149553) 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 15 ways as a sum of consecutive naturals, for example, 401196 + ... + 403182.

It is an arithmetic number, because the mean of its divisors is an integer number (67512480).

Almost surely, 2^799149543 is an apocalyptic number.

799149543 is a deficient number, since it is larger than the sum of its proper divisors (281050137).

799149543 is a wasteful number, since it uses less digits than its factorization.

799149543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3766.

The product of its digits is 1224720, while the sum is 51.

The square root of 799149543 is about 28269.2331519622. The cubic root of 799149543 is about 927.9886941096.

The spelling of 799149543 in words is "seven hundred ninety-nine million, one hundred forty-nine thousand, five hundred forty-three".