28366591704 has 64 divisors (see below), whose sum is σ = 78423258240. Its totient is φ = 8478178560.

The previous prime is 28366591691. The next prime is 28366591723. The reversal of 28366591704 is 40719566382.

It is a congruent number.

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, 716682 + ... + 755225.

It is an arithmetic number, because the mean of its divisors is an integer number (1225363410).

It is a 1-persistent number, because it is pandigital, but 2⋅28366591704 = 56733183408 is not.

Almost surely, 2^28366591704 is an apocalyptic number.

28366591704 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

28366591704 is an abundant number, since it is smaller than the sum of its proper divisors (50056666536).

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

28366591704 is a wasteful number, since it uses less digits than its factorization.

28366591704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1472000 (or 1471996 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 51.

The spelling of 28366591704 in words is "twenty-eight billion, three hundred sixty-six million, five hundred ninety-one thousand, seven hundred four".