28870826466 has 16 divisors (see below), whose sum is σ = 57752920224. Its totient is φ = 9621730944.

The previous prime is 28870826449. The next prime is 28870826471. The reversal of 28870826466 is 66462807882.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 435976 + ... + 497811.

It is an arithmetic number, because the mean of its divisors is an integer number (3609557514).

Almost surely, 2^28870826466 is an apocalyptic number.

28870826466 is an abundant number, since it is smaller than the sum of its proper divisors (28882093758).

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

28870826466 is a wasteful number, since it uses less digits than its factorization.

28870826466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 938945.

The product of its (nonzero) digits is 12386304, while the sum is 57.

The spelling of 28870826466 in words is "twenty-eight billion, eight hundred seventy million, eight hundred twenty-six thousand, four hundred sixty-six".