28377075329 has 2 divisors, whose sum is σ = 28377075330. Its totient is φ = 28377075328.

The previous prime is 28377075323. The next prime is 28377075373. The reversal of 28377075329 is 92357077382.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27044460304 + 1332615025 = 164452^2 + 36505^2 .

It is a cyclic number.

It is not a de Polignac number, because 28377075329 - 2³² = 24082108033 is a prime.

It is not a weakly prime, because it can be changed into another prime (28377075323) 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, 14188537664 + 14188537665.

It is an arithmetic number, because the mean of its divisors is an integer number (14188537665).

Almost surely, 2^28377075329 is an apocalyptic number.

It is an amenable number.

28377075329 is a deficient number, since it is larger than the sum of its proper divisors (1).

28377075329 is an equidigital number, since it uses as much as digits as its factorization.

28377075329 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4445280, while the sum is 53.

The spelling of 28377075329 in words is "twenty-eight billion, three hundred seventy-seven million, seventy-five thousand, three hundred twenty-nine".