7871279 has 8 divisors (see below), whose sum is σ = 8674512. Its totient is φ = 7096320.

The previous prime is 7871261. The next prime is 7871287. The reversal of 7871279 is 9721787.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7871279 - 2¹² = 7867183 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 (7871219) 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 7 ways as a sum of consecutive naturals, for example, 6482 + ... + 7599.

It is an arithmetic number, because the mean of its divisors is an integer number (1084314).

Almost surely, 2^7871279 is an apocalyptic number.

7871279 is a deficient number, since it is larger than the sum of its proper divisors (803233).

7871279 is a wasteful number, since it uses less digits than its factorization.

7871279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14137.

The product of its digits is 49392, while the sum is 41.

The square root of 7871279 is about 2805.5799756913. The cubic root of 7871279 is about 198.9215198562.

The spelling of 7871279 in words is "seven million, eight hundred seventy-one thousand, two hundred seventy-nine".