8872756353781 has 2 divisors, whose sum is σ = 8872756353782. Its totient is φ = 8872756353780.

The previous prime is 8872756353743. The next prime is 8872756353871. The reversal of 8872756353781 is 1873536572788.

Together with next prime (8872756353871) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8859754653156 + 13001700625 = 2976534^2 + 114025^2 .

It is a cyclic number.

It is not a de Polignac number, because 8872756353781 - 2¹³ = 8872756345589 is a prime.

It is a super-2 number, since 2×8872756353781² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 8872756353781.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8872756353281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4436378176890 + 4436378176891.

It is an arithmetic number, because the mean of its divisors is an integer number (4436378176891).

Almost surely, 2^{8872756353781} is an apocalyptic number.

It is an amenable number.

8872756353781 is a deficient number, since it is larger than the sum of its proper divisors (1).

8872756353781 is an equidigital number, since it uses as much as digits as its factorization.

8872756353781 is an evil number, because the sum of its binary digits is even.

The product of its digits is 474163200, while the sum is 70.

The spelling of 8872756353781 in words is "eight trillion, eight hundred seventy-two billion, seven hundred fifty-six million, three hundred fifty-three thousand, seven hundred eighty-one".