28378805110258 has 16 divisors (see below), whose sum is σ = 45101130946560. Its totient is φ = 13346165574976.

The previous prime is 28378805110217. The next prime is 28378805110277. The reversal of 28378805110258 is 85201150887382.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 267641266 + ... + 267747277.

It is an arithmetic number, because the mean of its divisors is an integer number (2818820684160).

Almost surely, 2^{28378805110258} is an apocalyptic number.

28378805110258 is a deficient number, since it is larger than the sum of its proper divisors (16722325836302).

28378805110258 is a wasteful number, since it uses less digits than its factorization.

28378805110258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 535390121.

The product of its (nonzero) digits is 8601600, while the sum is 58.

The spelling of 28378805110258 in words is "twenty-eight trillion, three hundred seventy-eight billion, eight hundred five million, one hundred ten thousand, two hundred fifty-eight".