2078279 has 8 divisors (see below), whose sum is σ = 2384928. Its totient is φ = 1774080.

The previous prime is 2078243. The next prime is 2078287. The reversal of 2078279 is 9728702.

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

It is not a de Polignac number, because 2078279 - 2¹⁶ = 2012743 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2078779) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1919 + ... + 2799.

It is an arithmetic number, because the mean of its divisors is an integer number (298116).

2^2078279 is an apocalyptic number.

2078279 is a deficient number, since it is larger than the sum of its proper divisors (306649).

2078279 is an equidigital number, since it uses as much as digits as its factorization.

2078279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1225.

The product of its (nonzero) digits is 14112, while the sum is 35.

The square root of 2078279 is about 1441.6237373184. The cubic root of 2078279 is about 127.6148702055.

The spelling of 2078279 in words is "two million, seventy-eight thousand, two hundred seventy-nine".