279483487 has 2 divisors, whose sum is σ = 279483488. Its totient is φ = 279483486.

The previous prime is 279483473. The next prime is 279483541. The reversal of 279483487 is 784384972.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 279483487 - 2¹⁵ = 279450719 is a prime.

It is a super-2 number, since 2×279483487² = 156222039011358338, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (279483427) 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 as a sum of consecutive naturals, namely, 139741743 + 139741744.

It is an arithmetic number, because the mean of its divisors is an integer number (139741744).

Almost surely, 2^279483487 is an apocalyptic number.

279483487 is a deficient number, since it is larger than the sum of its proper divisors (1).

279483487 is an equidigital number, since it uses as much as digits as its factorization.

279483487 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2709504, while the sum is 52.

The square root of 279483487 is about 16717.7596286105. The cubic root of 279483487 is about 653.8107410291.

The spelling of 279483487 in words is "two hundred seventy-nine million, four hundred eighty-three thousand, four hundred eighty-seven".