28928365704 has 64 divisors (see below), whose sum is σ = 91836086400. Its totient is φ = 8265246912.

The previous prime is 28928365681. The next prime is 28928365757. The reversal of 28928365704 is 40756382982.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9564747 + ... + 9567770.

It is an arithmetic number, because the mean of its divisors is an integer number (1434938850).

Almost surely, 2^28928365704 is an apocalyptic number.

28928365704 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

28928365704 is an abundant number, since it is smaller than the sum of its proper divisors (62907720696).

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

28928365704 is a wasteful number, since it uses less digits than its factorization.

28928365704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19132539 (or 19132529 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 54.

The spelling of 28928365704 in words is "twenty-eight billion, nine hundred twenty-eight million, three hundred sixty-five thousand, seven hundred four".