799555 has 4 divisors (see below), whose sum is σ = 959472. Its totient is φ = 639640.

The previous prime is 799553. The next prime is 799573. The reversal of 799555 is 555997.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 799555 - 2¹ = 799553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (799553) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79951 + ... + 79960.

It is an arithmetic number, because the mean of its divisors is an integer number (239868).

2⁷⁹⁹⁵⁵⁵ is an apocalyptic number.

799555 is a deficient number, since it is larger than the sum of its proper divisors (159917).

799555 is a wasteful number, since it uses less digits than its factorization.

799555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159916.

The product of its digits is 70875, while the sum is 40.

The square root of 799555 is about 894.1783938343. The cubic root of 799555 is about 92.8145609212.

The spelling of 799555 in words is "seven hundred ninety-nine thousand, five hundred fifty-five".