28077135339089 has 16 divisors (see below), whose sum is σ = 31050857779200. Its totient is φ = 25252506385920.

The previous prime is 28077135339061. The next prime is 28077135339151. The reversal of 28077135339089 is 98093353177082.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28077135339089 is a prime.

It is a super-2 number, since 2×28077135339089² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28077135339059) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33816977 + ... + 34637294.

It is an arithmetic number, because the mean of its divisors is an integer number (1940678611200).

Almost surely, 2^{28077135339089} is an apocalyptic number.

It is an amenable number.

28077135339089 is a deficient number, since it is larger than the sum of its proper divisors (2973722440111).

28077135339089 is a wasteful number, since it uses less digits than its factorization.

28077135339089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68455360.

The product of its (nonzero) digits is 68584320, while the sum is 65.

The spelling of 28077135339089 in words is "twenty-eight trillion, seventy-seven billion, one hundred thirty-five million, three hundred thirty-nine thousand, eighty-nine".