7712278855801 has 9 divisors (see below), whose sum is σ = 8351204954799. Its totient is φ = 7118993310936.

The previous prime is 7712278855769. The next prime is 7712278855811. The reversal of 7712278855801 is 1085588722177.

The square root of 7712278855801 is 2777099.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 1140869653225 + 6571409202576 = 1068115^2 + 2563476^2 .

It is not a de Polignac number, because 7712278855801 - 2⁵ = 7712278855769 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7712278855801.

It is not an unprimeable number, because it can be changed into a prime (7712278855811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 35995476 + ... + 36209098.

Almost surely, 2^{7712278855801} is an apocalyptic number.

7712278855801 is the 2777099-th square number.

7712278855801 is the 1388550-th centered octagonal number.

It is an amenable number.

7712278855801 is a deficient number, since it is larger than the sum of its proper divisors (638926098998).

7712278855801 is an frugal number, since it uses more digits than its factorization.

7712278855801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427272 (or 213636 counting only the distinct ones).

The product of its (nonzero) digits is 17561600, while the sum is 61.

The spelling of 7712278855801 in words is "seven trillion, seven hundred twelve billion, two hundred seventy-eight million, eight hundred fifty-five thousand, eight hundred one".