28914166500 has 48 divisors (see below), whose sum is σ = 84198057216. Its totient is φ = 7710444000.

The previous prime is 28914166459. The next prime is 28914166531. The reversal of 28914166500 is 566141982.

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, 9636556 + ... + 9639555.

It is an arithmetic number, because the mean of its divisors is an integer number (1754126192).

Almost surely, 2^28914166500 is an apocalyptic number.

28914166500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28914166500 is an abundant number, since it is smaller than the sum of its proper divisors (55283890716).

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

28914166500 is a wasteful number, since it uses less digits than its factorization.

28914166500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19276133 (or 19276121 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 42.

The spelling of 28914166500 in words is "twenty-eight billion, nine hundred fourteen million, one hundred sixty-six thousand, five hundred".