7959995 has 16 divisors (see below), whose sum is σ = 10391328. Its totient is φ = 5829120.

The previous prime is 7959983. The next prime is 7959997. The reversal of 7959995 is 5999597.

It is a de Polignac number, because none of the positive numbers 2^k-7959995 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7959997) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1880 + ... + 4410.

It is an arithmetic number, because the mean of its divisors is an integer number (649458).

Almost surely, 2^7959995 is an apocalyptic number.

7959995 is a deficient number, since it is larger than the sum of its proper divisors (2431333).

7959995 is a wasteful number, since it uses less digits than its factorization.

7959995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2590.

The product of its digits is 1148175, while the sum is 53.

The square root of 7959995 is about 2821.3463098315. The cubic root of 7959995 is about 199.6660677566. Note that the first 3 decimals are identical.

The spelling of 7959995 in words is "seven million, nine hundred fifty-nine thousand, nine hundred ninety-five".