47828428091 has 16 divisors (see below), whose sum is σ = 50685196800. Its totient is φ = 45006020928.

The previous prime is 47828428073. The next prime is 47828428121. The reversal of 47828428091 is 19082482874.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47828428091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47828428061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4891055 + ... + 4900823.

It is an arithmetic number, because the mean of its divisors is an integer number (3167824800).

Almost surely, 2^47828428091 is an apocalyptic number.

47828428091 is a deficient number, since it is larger than the sum of its proper divisors (2856768709).

47828428091 is a wasteful number, since it uses less digits than its factorization.

47828428091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11498.

The product of its (nonzero) digits is 2064384, while the sum is 53.

The spelling of 47828428091 in words is "forty-seven billion, eight hundred twenty-eight million, four hundred twenty-eight thousand, ninety-one".