272861078329 has 12 divisors (see below), whose sum is σ = 322965183424. Its totient is φ = 225816059952.

The previous prime is 272861078299. The next prime is 272861078333. The reversal of 272861078329 is 923870168272.

It is a happy number.

It is not a de Polignac number, because 272861078329 - 2³⁷ = 135422124857 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 272861078329.

It is not an unprimeable number, because it can be changed into a prime (272861078729) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23168997 + ... + 23180770.

Almost surely, 2^272861078329 is an apocalyptic number.

272861078329 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

272861078329 is a deficient number, since it is larger than the sum of its proper divisors (50104105095).

272861078329 is an equidigital number, since it uses as much as digits as its factorization.

272861078329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46349832 (or 46349803 counting only the distinct ones).

The product of its (nonzero) digits is 4064256, while the sum is 55.

The spelling of 272861078329 in words is "two hundred seventy-two billion, eight hundred sixty-one million, seventy-eight thousand, three hundred twenty-nine".