80028064121578 has 16 divisors (see below), whose sum is σ = 121247464665600. Its totient is φ = 39612498407856.

The previous prime is 80028064121573. The next prime is 80028064121581. The reversal of 80028064121578 is 87512146082008.

It is not an unprimeable number, because it can be changed into a prime (80028064121573) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63333178 + ... + 64584421.

It is an arithmetic number, because the mean of its divisors is an integer number (7577966541600).

Almost surely, 2^{80028064121578} is an apocalyptic number.

80028064121578 is a deficient number, since it is larger than the sum of its proper divisors (41219400544022).

80028064121578 is a wasteful number, since it uses less digits than its factorization.

80028064121578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127920741.

The product of its (nonzero) digits is 1720320, while the sum is 52.

The spelling of 80028064121578 in words is "eighty trillion, twenty-eight billion, sixty-four million, one hundred twenty-one thousand, five hundred seventy-eight".