28177871226498 has 96 divisors (see below), whose sum is σ = 69909148348416. Its totient is φ = 8035203837024.

The previous prime is 28177871226403. The next prime is 28177871226509. The reversal of 28177871226498 is 89462217877182.

28177871226498 is a `hidden beast` number, since 2 + 8 + 1 + 7 + 7 + 8 + 7 + 122 + 6 + 498 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 841038415 + ... + 841071917.

It is an arithmetic number, because the mean of its divisors is an integer number (728220295296).

Almost surely, 2^{28177871226498} is an apocalyptic number.

28177871226498 is an abundant number, since it is smaller than the sum of its proper divisors (41731277121918).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28177871226498 is a wasteful number, since it uses less digits than its factorization.

28177871226498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46268 (or 46265 counting only the distinct ones).

The product of its digits is 303464448, while the sum is 72.

The spelling of 28177871226498 in words is "twenty-eight trillion, one hundred seventy-seven billion, eight hundred seventy-one million, two hundred twenty-six thousand, four hundred ninety-eight".