28208007773734 has 8 divisors (see below), whose sum is σ = 42315408343368. Its totient is φ = 14102871659280.

The previous prime is 28208007773713. The next prime is 28208007773773. The reversal of 28208007773734 is 43737770080282.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 566082652 + ... + 566132479.

It is an arithmetic number, because the mean of its divisors is an integer number (5289426042921).

Almost surely, 2^{28208007773734} is an apocalyptic number.

28208007773734 is a deficient number, since it is larger than the sum of its proper divisors (14107400569634).

28208007773734 is a wasteful number, since it uses less digits than its factorization.

28208007773734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1132227590.

The product of its (nonzero) digits is 22127616, while the sum is 58.

The spelling of 28208007773734 in words is "twenty-eight trillion, two hundred eight billion, seven million, seven hundred seventy-three thousand, seven hundred thirty-four".