28264671765433 has 8 divisors (see below), whose sum is σ = 28369849675328. Its totient is φ = 28159516441584.

The previous prime is 28264671765397. The next prime is 28264671765437. The reversal of 28264671765433 is 33456717646282.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 28264671765433 - 2¹⁷ = 28264671634361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28264671765437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3136941 + ... + 8146762.

It is an arithmetic number, because the mean of its divisors is an integer number (3546231209416).

Almost surely, 2^{28264671765433} is an apocalyptic number.

It is an amenable number.

28264671765433 is a deficient number, since it is larger than the sum of its proper divisors (105177909895).

28264671765433 is a wasteful number, since it uses less digits than its factorization.

28264671765433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11293023.

The product of its digits is 243855360, while the sum is 64.

The spelling of 28264671765433 in words is "twenty-eight trillion, two hundred sixty-four billion, six hundred seventy-one million, seven hundred sixty-five thousand, four hundred thirty-three".