28329287260 has 12 divisors (see below), whose sum is σ = 59491503288. Its totient is φ = 11331714896.

The previous prime is 28329287213. The next prime is 28329287291. The reversal of 28329287260 is 6278292382.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 708232162 + ... + 708232201.

It is an arithmetic number, because the mean of its divisors is an integer number (4957625274).

Almost surely, 2^28329287260 is an apocalyptic number.

28329287260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28329287260 is an abundant number, since it is smaller than the sum of its proper divisors (31162216028).

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

28329287260 is a wasteful number, since it uses less digits than its factorization.

28329287260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1416464372 (or 1416464370 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 49.

The spelling of 28329287260 in words is "twenty-eight billion, three hundred twenty-nine million, two hundred eighty-seven thousand, two hundred sixty".