28277209713 has 16 divisors (see below), whose sum is σ = 39177976320. Its totient is φ = 18119789184.

The previous prime is 28277209711. The next prime is 28277209717. The reversal of 28277209713 is 31790277282.

It is not a de Polignac number, because 28277209713 - 2¹ = 28277209711 is a prime.

It is a super-4 number, since 4×28277209713⁴ (a number of 43 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (28277209711) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 709356 + ... + 748157.

It is an arithmetic number, because the mean of its divisors is an integer number (2448623520).

Almost surely, 2^28277209713 is an apocalyptic number.

It is an amenable number.

28277209713 is a deficient number, since it is larger than the sum of its proper divisors (10900766607).

28277209713 is a wasteful number, since it uses less digits than its factorization.

28277209713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1457768.

The product of its (nonzero) digits is 592704, while the sum is 48.

The spelling of 28277209713 in words is "twenty-eight billion, two hundred seventy-seven million, two hundred nine thousand, seven hundred thirteen".