7081879 has 4 divisors (see below), whose sum is σ = 8093584. Its totient is φ = 6070176.

The previous prime is 7081871. The next prime is 7081891. The reversal of 7081879 is 9781807.

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

It is not a de Polignac number, because 7081879 - 2³ = 7081871 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 (7081871) 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 3 ways as a sum of consecutive naturals, for example, 505842 + ... + 505855.

It is an arithmetic number, because the mean of its divisors is an integer number (2023396).

Almost surely, 2^7081879 is an apocalyptic number.

7081879 is a deficient number, since it is larger than the sum of its proper divisors (1011705).

7081879 is a wasteful number, since it uses less digits than its factorization.

7081879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1011704.

The product of its (nonzero) digits is 28224, while the sum is 40.

The square root of 7081879 is about 2661.1800014279. The cubic root of 7081879 is about 192.0360808205.

The spelling of 7081879 in words is "seven million, eighty-one thousand, eight hundred seventy-nine".