272439281079 has 24 divisors (see below), whose sum is σ = 449758806432. Its totient is φ = 155673437760.

The previous prime is 272439281077. The next prime is 272439281111. The reversal of 272439281079 is 970182934272.

It is a happy number.

It is not a de Polignac number, because 272439281079 - 2¹ = 272439281077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (272439281077) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1876269 + ... + 2016249.

It is an arithmetic number, because the mean of its divisors is an integer number (18739950268).

Almost surely, 2^272439281079 is an apocalyptic number.

272439281079 is a deficient number, since it is larger than the sum of its proper divisors (177319525353).

272439281079 is a wasteful number, since it uses less digits than its factorization.

272439281079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170887 (or 170884 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 54.

The spelling of 272439281079 in words is "two hundred seventy-two billion, four hundred thirty-nine million, two hundred eighty-one thousand, seventy-nine".