28037375666 has 8 divisors (see below), whose sum is σ = 42244656384. Its totient is φ = 13955823540.

The previous prime is 28037375657. The next prime is 28037375683. The reversal of 28037375666 is 66657373082.

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

It is a Curzon 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, 31431590 + ... + 31432481.

It is an arithmetic number, because the mean of its divisors is an integer number (5280582048).

Almost surely, 2^28037375666 is an apocalyptic number.

28037375666 is a deficient number, since it is larger than the sum of its proper divisors (14207280718).

28037375666 is a wasteful number, since it uses less digits than its factorization.

28037375666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62864296.

The product of its (nonzero) digits is 7620480, while the sum is 53.

The spelling of 28037375666 in words is "twenty-eight billion, thirty-seven million, three hundred seventy-five thousand, six hundred sixty-six".