799699543 has 2 divisors, whose sum is σ = 799699544. Its totient is φ = 799699542.

The previous prime is 799699513. The next prime is 799699559. The reversal of 799699543 is 345996997.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 799699543 - 2²¹ = 797602391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (799699513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 399849771 + 399849772.

It is an arithmetic number, because the mean of its divisors is an integer number (399849772).

Almost surely, 2^799699543 is an apocalyptic number.

799699543 is a deficient number, since it is larger than the sum of its proper divisors (1).

799699543 is an equidigital number, since it uses as much as digits as its factorization.

799699543 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16533720, while the sum is 61.

The square root of 799699543 is about 28278.9593691140. The cubic root of 799699543 is about 928.2015356823.

The spelling of 799699543 in words is "seven hundred ninety-nine million, six hundred ninety-nine thousand, five hundred forty-three".