412778279 has 2 divisors, whose sum is σ = 412778280. Its totient is φ = 412778278.

The previous prime is 412778243. The next prime is 412778297. The reversal of 412778279 is 972877214.

Together with next prime (412778297) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 412778279 - 2¹⁶ = 412712743 is a prime.

It is a super-2 number, since 2×412778279² = 340771815228403682, which contains 22 as substring.

It is a Sophie Germain prime.

It is a pancake number, because a pancake can be divided into 412778279 parts by 28732 straight cuts.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (412778209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 206389139 + 206389140.

It is an arithmetic number, because the mean of its divisors is an integer number (206389140).

Almost surely, 2^412778279 is an apocalyptic number.

412778279 is a deficient number, since it is larger than the sum of its proper divisors (1).

412778279 is an equidigital number, since it uses as much as digits as its factorization.

412778279 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 395136, while the sum is 47.

The square root of 412778279 is about 20316.9456119762. The cubic root of 412778279 is about 744.5701341295.

The spelling of 412778279 in words is "four hundred twelve million, seven hundred seventy-eight thousand, two hundred seventy-nine".