2887579706945 has 8 divisors (see below), whose sum is σ = 3521900495400. Its totient is φ = 2272193867520.

The previous prime is 2887579706941. The next prime is 2887579706969. The reversal of 2887579706945 is 5496079757882.

It is a Cunningham number, because it is equal to 1699288²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 1 + 2887579706944 = 1^2 + 1699288^2 .

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

It is not a de Polignac number, because 2887579706945 - 2² = 2887579706941 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2887579706941) 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, 4733736920 + ... + 4733737529.

It is an arithmetic number, because the mean of its divisors is an integer number (440237561925).

Almost surely, 2^{2887579706945} is an apocalyptic number.

It is an amenable number.

2887579706945 is a deficient number, since it is larger than the sum of its proper divisors (634320788455).

2887579706945 is an equidigital number, since it uses as much as digits as its factorization.

2887579706945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9467474515.

The product of its (nonzero) digits is 2133734400, while the sum is 77.

The spelling of 2887579706945 in words is "two trillion, eight hundred eighty-seven billion, five hundred seventy-nine million, seven hundred six thousand, nine hundred forty-five".