28284934430 has 16 divisors (see below), whose sum is σ = 51301532304. Its totient is φ = 11227607040.

The previous prime is 28284934427. The next prime is 28284934453. The reversal of 28284934430 is 3443948282.

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, 10794467 + ... + 10797086.

It is an arithmetic number, because the mean of its divisors is an integer number (3206345769).

Almost surely, 2^28284934430 is an apocalyptic number.

28284934430 is a deficient number, since it is larger than the sum of its proper divisors (23016597874).

28284934430 is a wasteful number, since it uses less digits than its factorization.

28284934430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21591691.

The product of its (nonzero) digits is 1327104, while the sum is 47.

The spelling of 28284934430 in words is "twenty-eight billion, two hundred eighty-four million, nine hundred thirty-four thousand, four hundred thirty".