28797383770201 has 32 divisors (see below), whose sum is σ = 31695515596800. Its totient is φ = 26065845852480.

The previous prime is 28797383770157. The next prime is 28797383770219. The reversal of 28797383770201 is 10207738379782.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28797383770201 is a prime.

It is a super-2 number, since 2×28797383770201² (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 (28797383770801) 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 in 31 ways as a sum of consecutive naturals, for example, 69333535 + ... + 69747643.

It is an arithmetic number, because the mean of its divisors is an integer number (990484862400).

Almost surely, 2^{28797383770201} is an apocalyptic number.

It is an amenable number.

28797383770201 is a deficient number, since it is larger than the sum of its proper divisors (2898131826599).

28797383770201 is a wasteful number, since it uses less digits than its factorization.

28797383770201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416029.

The product of its (nonzero) digits is 49787136, while the sum is 64.

The spelling of 28797383770201 in words is "twenty-eight trillion, seven hundred ninety-seven billion, three hundred eighty-three million, seven hundred seventy thousand, two hundred one".