28415805567 has 16 divisors (see below), whose sum is σ = 38474269440. Its totient is φ = 18650915712.

The previous prime is 28415805533. The next prime is 28415805569. The reversal of 28415805567 is 76550851482.

It is not a de Polignac number, because 28415805567 - 2¹⁴ = 28415789183 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28415805569) 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, 338734 + ... + 414212.

It is an arithmetic number, because the mean of its divisors is an integer number (2404641840).

Almost surely, 2^28415805567 is an apocalyptic number.

28415805567 is a deficient number, since it is larger than the sum of its proper divisors (10058463873).

28415805567 is a wasteful number, since it uses less digits than its factorization.

28415805567 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77422.

The product of its (nonzero) digits is 2688000, while the sum is 51.

The spelling of 28415805567 in words is "twenty-eight billion, four hundred fifteen million, eight hundred five thousand, five hundred sixty-seven".