128780274098 has 16 divisors (see below), whose sum is σ = 221051799360. Its totient is φ = 55120142256.

The previous prime is 128780274079. The next prime is 128780274107. The reversal of 128780274098 is 890472087821.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5939108 + ... + 5960751.

It is an arithmetic number, because the mean of its divisors is an integer number (13815737460).

Almost surely, 2^128780274098 is an apocalyptic number.

128780274098 is a deficient number, since it is larger than the sum of its proper divisors (92271525262).

128780274098 is a wasteful number, since it uses less digits than its factorization.

128780274098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11900641.

The product of its (nonzero) digits is 3612672, while the sum is 56.

The spelling of 128780274098 in words is "one hundred twenty-eight billion, seven hundred eighty million, two hundred seventy-four thousand, ninety-eight".