28743250378662 has 12 divisors (see below), whose sum is σ = 62277042487140. Its totient is φ = 9581083459548.

The previous prime is 28743250378631. The next prime is 28743250378699. The reversal of 28743250378662 is 26687305234782.

28743250378662 is a `hidden beast` number, since 2 + 8 + 7 + 4 + 3 + 250 + 378 + 6 + 6 + 2 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 28743250378662.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 798423621612 + ... + 798423621647.

It is an arithmetic number, because the mean of its divisors is an integer number (5189753540595).

Almost surely, 2^{28743250378662} is an apocalyptic number.

28743250378662 is an abundant number, since it is smaller than the sum of its proper divisors (33533792108478).

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

28743250378662 is a wasteful number, since it uses less digits than its factorization.

28743250378662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1596847243267 (or 1596847243264 counting only the distinct ones).

The product of its (nonzero) digits is 162570240, while the sum is 63.

The spelling of 28743250378662 in words is "twenty-eight trillion, seven hundred forty-three billion, two hundred fifty million, three hundred seventy-eight thousand, six hundred sixty-two".