8132279 has 4 divisors (see below), whose sum is σ = 8139576. Its totient is φ = 8124984.

The previous prime is 8132221. The next prime is 8132281. The reversal of 8132279 is 9722318.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8132279 is a prime.

It is a super-2 number, since 2×8132279² = 132267923467682, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8132219) 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, 1589 + ... + 4334.

It is an arithmetic number, because the mean of its divisors is an integer number (2034894).

Almost surely, 2^8132279 is an apocalyptic number.

8132279 is a deficient number, since it is larger than the sum of its proper divisors (7297).

8132279 is a wasteful number, since it uses less digits than its factorization.

8132279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7296.

The product of its digits is 6048, while the sum is 32.

The square root of 8132279 is about 2851.7150979717. The cubic root of 8132279 is about 201.0963046009.

The spelling of 8132279 in words is "eight million, one hundred thirty-two thousand, two hundred seventy-nine".