28290626822 has 8 divisors (see below), whose sum is σ = 43422822696. Its totient is φ = 13816352592.

The previous prime is 28290626803. The next prime is 28290626831. The reversal of 28290626822 is 22862609282.

It is a happy number.

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, 164480303 + ... + 164480474.

It is an arithmetic number, because the mean of its divisors is an integer number (5427852837).

Almost surely, 2^28290626822 is an apocalyptic number.

28290626822 is a deficient number, since it is larger than the sum of its proper divisors (15132195874).

28290626822 is a wasteful number, since it uses less digits than its factorization.

28290626822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328960822.

The product of its (nonzero) digits is 663552, while the sum is 47.

The spelling of 28290626822 in words is "twenty-eight billion, two hundred ninety million, six hundred twenty-six thousand, eight hundred twenty-two".