28866466895 has 8 divisors (see below), whose sum is σ = 39588297504. Its totient is φ = 19794148704.

The previous prime is 28866466891. The next prime is 28866466949. The reversal of 28866466895 is 59866466882.

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 28866466895 - 2² = 28866466891 is a prime.

It is a super-2 number, since 2×28866466895² (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 (28866466891) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 412378064 + ... + 412378133.

It is an arithmetic number, because the mean of its divisors is an integer number (4948537188).

Almost surely, 2^28866466895 is an apocalyptic number.

28866466895 is a deficient number, since it is larger than the sum of its proper divisors (10721830609).

28866466895 is an equidigital number, since it uses as much as digits as its factorization.

28866466895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 824756209.

The product of its digits is 238878720, while the sum is 68.

The spelling of 28866466895 in words is "twenty-eight billion, eight hundred sixty-six million, four hundred sixty-six thousand, eight hundred ninety-five".