28904173264394 has 8 divisors (see below), whose sum is σ = 43432190300928. Its totient is φ = 14426776497420.

The previous prime is 28904173264367. The next prime is 28904173264409. The reversal of 28904173264394 is 49346237140982.

It is a happy number.

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

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, 12655065962 + ... + 12655068245.

It is an arithmetic number, because the mean of its divisors is an integer number (5429023787616).

Almost surely, 2^{28904173264394} is an apocalyptic number.

28904173264394 is a deficient number, since it is larger than the sum of its proper divisors (14528017036534).

28904173264394 is a wasteful number, since it uses less digits than its factorization.

28904173264394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25310134780.

The product of its (nonzero) digits is 62705664, while the sum is 62.

The spelling of 28904173264394 in words is "twenty-eight trillion, nine hundred four billion, one hundred seventy-three million, two hundred sixty-four thousand, three hundred ninety-four".