12772867285 has 8 divisors (see below), whose sum is σ = 15330953016. Its totient is φ = 10215952320.

The previous prime is 12772867229. The next prime is 12772867297. The reversal of 12772867285 is 58276827721.

It can be written as a sum of positive squares in 4 ways, for example, as 4219022116 + 8553845169 = 64954^2 + 92487^2 .

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

It is not a de Polignac number, because 12772867285 - 2¹⁵ = 12772834517 is a prime.

It is a super-2 number, since 2×12772867285² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 268506 + ... + 312475.

It is an arithmetic number, because the mean of its divisors is an integer number (1916369127).

Almost surely, 2^12772867285 is an apocalyptic number.

It is an amenable number.

12772867285 is a deficient number, since it is larger than the sum of its proper divisors (2558085731).

12772867285 is an equidigital number, since it uses as much as digits as its factorization.

12772867285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 585383.

The product of its digits is 5268480, while the sum is 55.

The spelling of 12772867285 in words is "twelve billion, seven hundred seventy-two million, eight hundred sixty-seven thousand, two hundred eighty-five".