28700801608877 has 8 divisors (see below), whose sum is σ = 30395618021952. Its totient is φ = 27006711192000.

The previous prime is 28700801608873. The next prime is 28700801609083. The reversal of 28700801608877 is 77880610800782.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 28700801608877 - 2² = 28700801608873 is a prime.

It is a super-2 number, since 2×28700801608877² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28700801608873) 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 7 ways as a sum of consecutive naturals, for example, 181417649 + ... + 181575782.

It is an arithmetic number, because the mean of its divisors is an integer number (3799452252744).

Almost surely, 2^{28700801608877} is an apocalyptic number.

It is an amenable number.

28700801608877 is a deficient number, since it is larger than the sum of its proper divisors (1694816413075).

28700801608877 is a wasteful number, since it uses less digits than its factorization.

28700801608877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362998099.

The product of its (nonzero) digits is 16859136, while the sum is 62.

The spelling of 28700801608877 in words is "twenty-eight trillion, seven hundred billion, eight hundred one million, six hundred eight thousand, eight hundred seventy-seven".