2428722870687 has 6 divisors (see below), whose sum is σ = 3508155257672. Its totient is φ = 1619148580452.

The previous prime is 2428722870661. The next prime is 2428722870697. The reversal of 2428722870687 is 7860782278242.

2428722870687 is a `hidden beast` number, since 2 + 4 + 287 + 228 + 70 + 68 + 7 = 666.

It is not a de Polignac number, because 2428722870687 - 2¹⁴ = 2428722854303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2428722870697) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 134929048363 + ... + 134929048380.

Almost surely, 2^{2428722870687} is an apocalyptic number.

2428722870687 is a deficient number, since it is larger than the sum of its proper divisors (1079432386985).

2428722870687 is a wasteful number, since it uses less digits than its factorization.

2428722870687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269858096749 (or 269858096746 counting only the distinct ones).

The product of its (nonzero) digits is 67436544, while the sum is 63.

The spelling of 2428722870687 in words is "two trillion, four hundred twenty-eight billion, seven hundred twenty-two million, eight hundred seventy thousand, six hundred eighty-seven".