28877679047796 has 48 divisors (see below), whose sum is σ = 67552249558080. Its totient is φ = 9601469026560.

The previous prime is 28877679047759. The next prime is 28877679047797. The reversal of 28877679047796 is 69774097677882.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28877679047797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53853726 + ... + 54387306.

It is an arithmetic number, because the mean of its divisors is an integer number (1407338532460).

Almost surely, 2^{28877679047796} is an apocalyptic number.

It is an amenable number.

28877679047796 is an abundant number, since it is smaller than the sum of its proper divisors (38674570510284).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28877679047796 is a wasteful number, since it uses less digits than its factorization.

28877679047796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 545024 (or 545022 counting only the distinct ones).

The product of its (nonzero) digits is 25092716544, while the sum is 87.

The spelling of 28877679047796 in words is "twenty-eight trillion, eight hundred seventy-seven billion, six hundred seventy-nine million, forty-seven thousand, seven hundred ninety-six".