28533334877 has 32 divisors (see below), whose sum is σ = 30300552576. Its totient is φ = 26839321600.

The previous prime is 28533334859. The next prime is 28533334883. The reversal of 28533334877 is 77843333582.

It is not a de Polignac number, because 28533334877 - 2¹⁴ = 28533318493 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28533334897) 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 31 ways as a sum of consecutive naturals, for example, 50680598 + ... + 50681160.

It is an arithmetic number, because the mean of its divisors is an integer number (946892268).

Almost surely, 2^28533334877 is an apocalyptic number.

It is an amenable number.

28533334877 is a deficient number, since it is larger than the sum of its proper divisors (1767217699).

28533334877 is a wasteful number, since it uses less digits than its factorization.

28533334877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1021.

The product of its digits is 10160640, while the sum is 53.

The spelling of 28533334877 in words is "twenty-eight billion, five hundred thirty-three million, three hundred thirty-four thousand, eight hundred seventy-seven".