28878074269094 has 24 divisors (see below), whose sum is σ = 45194071300560. Its totient is φ = 13837598912880.

The previous prime is 28878074269081. The next prime is 28878074269129. The reversal of 28878074269094 is 49096247087882.

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 11 ways as a sum of consecutive naturals, for example, 72738989 + ... + 73134920.

It is an arithmetic number, because the mean of its divisors is an integer number (1883086304190).

Almost surely, 2^{28878074269094} is an apocalyptic number.

28878074269094 is a deficient number, since it is larger than the sum of its proper divisors (16315997031466).

28878074269094 is a wasteful number, since it uses less digits than its factorization.

28878074269094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145874076 (or 145874045 counting only the distinct ones).

The product of its (nonzero) digits is 780337152, while the sum is 74.

The spelling of 28878074269094 in words is "twenty-eight trillion, eight hundred seventy-eight billion, seventy-four million, two hundred sixty-nine thousand, ninety-four".