2787954860089 has 9 divisors (see below), whose sum is σ = 3243144760101. Its totient is φ = 2389665576060.

The previous prime is 2787954860003. The next prime is 2787954860113. The reversal of 2787954860089 is 9800684597872.

The square root of 2787954860089 is 1669717.

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

2787954860089 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2787954860089 - 2¹³ = 2787954851897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2787954800089) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 11568754 + ... + 11807284.

It is an arithmetic number, because the mean of its divisors is an integer number (360349417789).

Almost surely, 2^{2787954860089} is an apocalyptic number.

2787954860089 is the 1669717-th square number.

2787954860089 is the 834859-th centered octagonal number.

It is an amenable number.

2787954860089 is a deficient number, since it is larger than the sum of its proper divisors (455189900012).

2787954860089 is an frugal number, since it uses more digits than its factorization.

2787954860089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 477076 (or 238538 counting only the distinct ones).

The product of its (nonzero) digits is 487710720, while the sum is 73.

The spelling of 2787954860089 in words is "two trillion, seven hundred eighty-seven billion, nine hundred fifty-four million, eight hundred sixty thousand, eighty-nine".