279152005 has 8 divisors (see below), whose sum is σ = 365435424. Its totient is φ = 203019600.

The previous prime is 279151997. The next prime is 279152011. The reversal of 279152005 is 500251972.

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

It is not a de Polignac number, because 279152005 - 2³ = 279151997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2537691 + ... + 2537800.

It is an arithmetic number, because the mean of its divisors is an integer number (45679428).

Almost surely, 2^279152005 is an apocalyptic number.

It is an amenable number.

279152005 is a deficient number, since it is larger than the sum of its proper divisors (86283419).

279152005 is a wasteful number, since it uses less digits than its factorization.

279152005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5075507.

The product of its (nonzero) digits is 6300, while the sum is 31.

The square root of 279152005 is about 16707.8426195604. The cubic root of 279152005 is about 653.5521542173.

The spelling of 279152005 in words is "two hundred seventy-nine million, one hundred fifty-two thousand, five".