80628036128 has 24 divisors (see below), whose sum is σ = 158858915292. Its totient is φ = 40282914816.

The previous prime is 80628036127. The next prime is 80628036143. The reversal of 80628036128 is 82163082608.

It can be written as a sum of positive squares in 2 ways, for example, as 77077306384 + 3550729744 = 277628^2 + 59588^2 .

It is not an unprimeable number, because it can be changed into a prime (80628036127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 929825 + ... + 1012832.

Almost surely, 2^80628036128 is an apocalyptic number.

It is an amenable number.

80628036128 is a deficient number, since it is larger than the sum of its proper divisors (78230879164).

80628036128 is a wasteful number, since it uses less digits than its factorization.

80628036128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1943964 (or 1943956 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 44.

The spelling of 80628036128 in words is "eighty billion, six hundred twenty-eight million, thirty-six thousand, one hundred twenty-eight".