28150217814 has 32 divisors (see below), whose sum is σ = 58361598720. Its totient is φ = 9041209632.

The previous prime is 28150217713. The next prime is 28150217861. The reversal of 28150217814 is 41871205182.

It is a Curzon number.

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, 81364 + ... + 250839.

It is an arithmetic number, because the mean of its divisors is an integer number (1823799960).

Almost surely, 2^28150217814 is an apocalyptic number.

28150217814 is an abundant number, since it is smaller than the sum of its proper divisors (30211380906).

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

28150217814 is a wasteful number, since it uses less digits than its factorization.

28150217814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332724.

The product of its (nonzero) digits is 35840, while the sum is 39.

The spelling of 28150217814 in words is "twenty-eight billion, one hundred fifty million, two hundred seventeen thousand, eight hundred fourteen".