270778679 has 2 divisors, whose sum is σ = 270778680. Its totient is φ = 270778678.

The previous prime is 270778663. The next prime is 270778699. The reversal of 270778679 is 976877072.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 270778679 - 2⁴ = 270778663 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 270778679.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (270778639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 135389339 + 135389340.

It is an arithmetic number, because the mean of its divisors is an integer number (135389340).

Almost surely, 2^270778679 is an apocalyptic number.

270778679 is a deficient number, since it is larger than the sum of its proper divisors (1).

270778679 is an equidigital number, since it uses as much as digits as its factorization.

270778679 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2074464, while the sum is 53.

The square root of 270778679 is about 16455.3541134793. The cubic root of 270778679 is about 646.9511488191.

The spelling of 270778679 in words is "two hundred seventy million, seven hundred seventy-eight thousand, six hundred seventy-nine".