7911959 has 16 divisors (see below), whose sum is σ = 8951040. Its totient is φ = 6932160.

The previous prime is 7911907. The next prime is 7911971. The reversal of 7911959 is 9591197.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 7911959 - 2¹² = 7907863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7911989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47294 + ... + 47460.

It is an arithmetic number, because the mean of its divisors is an integer number (559440).

Almost surely, 2^7911959 is an apocalyptic number.

7911959 is a deficient number, since it is larger than the sum of its proper divisors (1039081).

7911959 is a wasteful number, since it uses less digits than its factorization.

7911959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310.

The product of its digits is 25515, while the sum is 41.

The square root of 7911959 is about 2812.8204706309. The cubic root of 7911959 is about 199.2636170282.

The spelling of 7911959 in words is "seven million, nine hundred eleven thousand, nine hundred fifty-nine".