28762880837 has 2 divisors, whose sum is σ = 28762880838. Its totient is φ = 28762880836.

The previous prime is 28762880831. The next prime is 28762880863. The reversal of 28762880837 is 73808826782.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17243366596 + 11519514241 = 131314^2 + 107329^2 .

It is a cyclic number.

It is not a de Polignac number, because 28762880837 - 2²⁰ = 28761832261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28762880831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14381440418 + 14381440419.

It is an arithmetic number, because the mean of its divisors is an integer number (14381440419).

Almost surely, 2^28762880837 is an apocalyptic number.

It is an amenable number.

28762880837 is a deficient number, since it is larger than the sum of its proper divisors (1).

28762880837 is an equidigital number, since it uses as much as digits as its factorization.

28762880837 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14450688, while the sum is 59.

The spelling of 28762880837 in words is "twenty-eight billion, seven hundred sixty-two million, eight hundred eighty thousand, eight hundred thirty-seven".