2868768545 has 8 divisors (see below), whose sum is σ = 3535563624. Its totient is φ = 2232987264.

The previous prime is 2868768533. The next prime is 2868768571. The reversal of 2868768545 is 5458678682.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1535934481 + 1332834064 = 39191^2 + 36508^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 2868768545 - 2⁶ = 2868768481 is a prime.

It is a Duffinian 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, 7753244 + ... + 7753613.

It is an arithmetic number, because the mean of its divisors is an integer number (441945453).

Almost surely, 2^2868768545 is an apocalyptic number.

It is an amenable number.

2868768545 is a deficient number, since it is larger than the sum of its proper divisors (666795079).

2868768545 is a wasteful number, since it uses less digits than its factorization.

2868768545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15506899.

The product of its digits is 25804800, while the sum is 59.

The square root of 2868768545 is about 53560.8863350860. The cubic root of 2868768545 is about 1420.9054175744.

The spelling of 2868768545 in words is "two billion, eight hundred sixty-eight million, seven hundred sixty-eight thousand, five hundred forty-five".