80866406441 has 8 divisors (see below), whose sum is σ = 82012694400. Its totient is φ = 79720322080.

The previous prime is 80866406437. The next prime is 80866406447. The reversal of 80866406441 is 14460466808.

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

It is a cyclic number.

It is not a de Polignac number, because 80866406441 - 2² = 80866406437 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (80866406447) 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, 864980 + ... + 953898.

It is an arithmetic number, because the mean of its divisors is an integer number (10251586800).

Almost surely, 2^80866406441 is an apocalyptic number.

It is an amenable number.

80866406441 is a deficient number, since it is larger than the sum of its proper divisors (1146287959).

80866406441 is a wasteful number, since it uses less digits than its factorization.

80866406441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101799.

The product of its (nonzero) digits is 884736, while the sum is 47.

The spelling of 80866406441 in words is "eighty billion, eight hundred sixty-six million, four hundred six thousand, four hundred forty-one".