28310842680 has 32 divisors (see below), whose sum is σ = 84932528400. Its totient is φ = 7549558016.

The previous prime is 28310842643. The next prime is 28310842691. The reversal of 28310842680 is 8624801382.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117961725 + ... + 117961964.

Almost surely, 2^28310842680 is an apocalyptic number.

28310842680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28310842680 is an abundant number, since it is smaller than the sum of its proper divisors (56621685720).

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

28310842680 is a wasteful number, since it uses less digits than its factorization.

28310842680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235923703 (or 235923699 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 42.

The spelling of 28310842680 in words is "twenty-eight billion, three hundred ten million, eight hundred forty-two thousand, six hundred eighty".