28797436711 has 8 divisors (see below), whose sum is σ = 29847646800. Its totient is φ = 27751039680.

The previous prime is 28797436687. The next prime is 28797436729. The reversal of 28797436711 is 11763479782.

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 28797436711 - 2¹⁷ = 28797305639 is a prime.

It is a super-2 number, since 2×28797436711² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28797436751) 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 7 ways as a sum of consecutive naturals, for example, 937881 + ... + 968098.

It is an arithmetic number, because the mean of its divisors is an integer number (3730955850).

Almost surely, 2^28797436711 is an apocalyptic number.

28797436711 is a deficient number, since it is larger than the sum of its proper divisors (1050210089).

28797436711 is a wasteful number, since it uses less digits than its factorization.

28797436711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1906529.

The product of its digits is 3556224, while the sum is 55.

The spelling of 28797436711 in words is "twenty-eight billion, seven hundred ninety-seven million, four hundred thirty-six thousand, seven hundred eleven".