7799959 has 4 divisors (see below), whose sum is σ = 7861504. Its totient is φ = 7738416.

The previous prime is 7799951. The next prime is 7799971. The reversal of 7799959 is 9599977.

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

It is a cyclic number.

It is not a de Polignac number, because 7799959 - 2³ = 7799951 is a prime.

It is a Duffinian number.

7799959 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7799951) 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, 30582 + ... + 30835.

It is an arithmetic number, because the mean of its divisors is an integer number (1965376).

Almost surely, 2^7799959 is an apocalyptic number.

7799959 is a deficient number, since it is larger than the sum of its proper divisors (61545).

7799959 is a wasteful number, since it uses less digits than its factorization.

7799959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61544.

The product of its digits is 1607445, while the sum is 55.

The square root of 7799959 is about 2792.8406685667. The cubic root of 7799959 is about 198.3189007850.

The spelling of 7799959 in words is "seven million, seven hundred ninety-nine thousand, nine hundred fifty-nine".