28771026774279 has 8 divisors (see below), whose sum is σ = 38366765230320. Its totient is φ = 19177986417216.

The previous prime is 28771026774229. The next prime is 28771026774289. The reversal of 28771026774279 is 97247762017782.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 28771026774279 - 2⁸ = 28771026774023 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28771026774229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 674499862 + ... + 674542515.

It is an arithmetic number, because the mean of its divisors is an integer number (4795845653790).

Almost surely, 2^{28771026774279} is an apocalyptic number.

28771026774279 is a deficient number, since it is larger than the sum of its proper divisors (9595738456041).

28771026774279 is a wasteful number, since it uses less digits than its factorization.

28771026774279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1349049489.

The product of its (nonzero) digits is 232339968, while the sum is 69.

The spelling of 28771026774279 in words is "twenty-eight trillion, seven hundred seventy-one billion, twenty-six million, seven hundred seventy-four thousand, two hundred seventy-nine".