80866406290 has 16 divisors (see below), whose sum is σ = 146112994368. Its totient is φ = 32223570736.

The previous prime is 80866406279. The next prime is 80866406311. The reversal of 80866406290 is 9260466808.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15371212 + ... + 15376471.

It is an arithmetic number, because the mean of its divisors is an integer number (9132062148).

Almost surely, 2^80866406290 is an apocalyptic number.

80866406290 is a deficient number, since it is larger than the sum of its proper divisors (65246588078).

80866406290 is a wasteful number, since it uses less digits than its factorization.

80866406290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30747953.

The product of its (nonzero) digits is 995328, while the sum is 49.

The spelling of 80866406290 in words is "eighty billion, eight hundred sixty-six million, four hundred six thousand, two hundred ninety".