28205464102 has 16 divisors (see below), whose sum is σ = 42508189152. Its totient is φ = 14036120640.

The previous prime is 28205464087. The next prime is 28205464123. The reversal of 28205464102 is 20146450282.

It is a congruent 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, 1179727 + ... + 1203397.

It is an arithmetic number, because the mean of its divisors is an integer number (2656761822).

Almost surely, 2^28205464102 is an apocalyptic number.

28205464102 is a deficient number, since it is larger than the sum of its proper divisors (14302725050).

28205464102 is a wasteful number, since it uses less digits than its factorization.

28205464102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26463.

The product of its (nonzero) digits is 30720, while the sum is 34.

The spelling of 28205464102 in words is "twenty-eight billion, two hundred five million, four hundred sixty-four thousand, one hundred two".