80780578330755 has 16 divisors (see below), whose sum is σ = 131998902465024. Its totient is φ = 42166316064480.

The previous prime is 80780578330723. The next prime is 80780578330769. The reversal of 80780578330755 is 55703387508708.

It is not a de Polignac number, because 80780578330755 - 2⁵ = 80780578330723 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57291189601 + ... + 57291191010.

It is an arithmetic number, because the mean of its divisors is an integer number (8249931404064).

Almost surely, 2^{80780578330755} is an apocalyptic number.

80780578330755 is a deficient number, since it is larger than the sum of its proper divisors (51218324134269).

80780578330755 is a wasteful number, since it uses less digits than its factorization.

80780578330755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114582380666.

The product of its (nonzero) digits is 197568000, while the sum is 66.

The spelling of 80780578330755 in words is "eighty trillion, seven hundred eighty billion, five hundred seventy-eight million, three hundred thirty thousand, seven hundred fifty-five".