270706765781 has 6 divisors (see below), whose sum is σ = 273360514230. Its totient is φ = 268078534248.

The previous prime is 270706765751. The next prime is 270706765793. The reversal of 270706765781 is 187567607072.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 246677115556 + 24029650225 = 496666^2 + 155015^2 .

It is a de Polignac number, because none of the positive numbers 2^k-270706765781 is a prime.

It is a super-2 number, since 2×270706765781² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (270706765741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12747746 + ... + 12768963.

It is an arithmetic number, because the mean of its divisors is an integer number (45560085705).

Almost surely, 2^270706765781 is an apocalyptic number.

It is an amenable number.

270706765781 is a deficient number, since it is larger than the sum of its proper divisors (2653748449).

270706765781 is an equidigital number, since it uses as much as digits as its factorization.

270706765781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25516915 (or 25516812 counting only the distinct ones).

The product of its (nonzero) digits is 6914880, while the sum is 56.

The spelling of 270706765781 in words is "two hundred seventy billion, seven hundred six million, seven hundred sixty-five thousand, seven hundred eighty-one".