80808080210291 has 16 divisors (see below), whose sum is σ = 93475356549120. Its totient is φ = 68423046774720.

The previous prime is 80808080210281. The next prime is 80808080210329. The reversal of 80808080210291 is 19201208080808.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80808080210291 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80808080210281) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58764851 + ... + 60124236.

It is an arithmetic number, because the mean of its divisors is an integer number (5842209784320).

Almost surely, 2^{80808080210291} is an apocalyptic number.

80808080210291 is a deficient number, since it is larger than the sum of its proper divisors (12667276338829).

80808080210291 is a wasteful number, since it uses less digits than its factorization.

80808080210291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118890274.

The product of its (nonzero) digits is 147456, while the sum is 47.

The spelling of 80808080210291 in words is "eighty trillion, eight hundred eight billion, eighty million, two hundred ten thousand, two hundred ninety-one".