28062708877 has 16 divisors (see below), whose sum is σ = 34388098560. Its totient is φ = 22352249088.

The previous prime is 28062708859. The next prime is 28062708881. The reversal of 28062708877 is 77880726082.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 28062708877 - 2¹⁹ = 28062184589 is a prime.

It is a super-2 number, since 2×28062708877² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28062708887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1483138 + ... + 1501939.

It is an arithmetic number, because the mean of its divisors is an integer number (2149256160).

Almost surely, 2^28062708877 is an apocalyptic number.

It is an amenable number.

28062708877 is a deficient number, since it is larger than the sum of its proper divisors (6325389683).

28062708877 is a wasteful number, since it uses less digits than its factorization.

28062708877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2985180.

The product of its (nonzero) digits is 4214784, while the sum is 55.

The spelling of 28062708877 in words is "twenty-eight billion, sixty-two million, seven hundred eight thousand, eight hundred seventy-seven".