80816692235 has 8 divisors (see below), whose sum is σ = 99345397536. Its totient is φ = 63076442560.

The previous prime is 80816692211. The next prime is 80816692249. The reversal of 80816692235 is 53229661808.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 80816692235 - 2²⁰ = 80815643659 is a prime.

It is a super-3 number, since 3×80816692235³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 197113679 + ... + 197114088.

It is an arithmetic number, because the mean of its divisors is an integer number (12418174692).

Almost surely, 2^80816692235 is an apocalyptic number.

80816692235 is a deficient number, since it is larger than the sum of its proper divisors (18528705301).

80816692235 is a wasteful number, since it uses less digits than its factorization.

80816692235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394227813.

The product of its (nonzero) digits is 1244160, while the sum is 50.

The spelling of 80816692235 in words is "eighty billion, eight hundred sixteen million, six hundred ninety-two thousand, two hundred thirty-five".