28309536324774 has 40 divisors (see below), whose sum is σ = 63573137537448. Its totient is φ = 9415863260640.

The previous prime is 28309536324749. The next prime is 28309536324787. The reversal of 28309536324774 is 47742363590382.

28309536324774 is a `hidden beast` number, since 2 + 8 + 3 + 0 + 9 + 536 + 3 + 24 + 7 + 74 = 666.

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 19 ways as a sum of consecutive naturals, for example, 191118772 + ... + 191266839.

Almost surely, 2^{28309536324774} is an apocalyptic number.

28309536324774 is an abundant number, since it is smaller than the sum of its proper divisors (35263601212674).

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

28309536324774 is a wasteful number, since it uses less digits than its factorization.

28309536324774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382386082 (or 382386073 counting only the distinct ones).

The product of its (nonzero) digits is 182891520, while the sum is 63.

The spelling of 28309536324774 in words is "twenty-eight trillion, three hundred nine billion, five hundred thirty-six million, three hundred twenty-four thousand, seven hundred seventy-four".