270876978708509 has 2 divisors, whose sum is σ = 270876978708510. Its totient is φ = 270876978708508.

The previous prime is 270876978708421. The next prime is 270876978708563. The reversal of 270876978708509 is 905807879678072.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 265455168912025 + 5421809796484 = 16292795^2 + 2328478^2 .

It is a cyclic number.

It is not a de Polignac number, because 270876978708509 - 2³² = 270872683741213 is a prime.

It is a super-2 number, since 2×270876978708509² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (270876978708599) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 135438489354254 + 135438489354255.

It is an arithmetic number, because the mean of its divisors is an integer number (135438489354255).

Almost surely, 2^{270876978708509} is an apocalyptic number.

It is an amenable number.

270876978708509 is a deficient number, since it is larger than the sum of its proper divisors (1).

270876978708509 is an equidigital number, since it uses as much as digits as its factorization.

270876978708509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5974456320, while the sum is 83.

The spelling of 270876978708509 in words is "two hundred seventy trillion, eight hundred seventy-six billion, nine hundred seventy-eight million, seven hundred eight thousand, five hundred nine".