80861405601 has 8 divisors (see below), whose sum is σ = 112502825280. Its totient is φ = 51563794832.

The previous prime is 80861405579. The next prime is 80861405623. The reversal of 80861405601 is 10650416808.

It is an interprime number because it is at equal distance from previous prime (80861405579) and next prime (80861405623).

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 80861405601 - 2²² = 80857211297 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 80861405601.

It is not an unprimeable number, because it can be changed into a prime (80861445601) 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, 585952146 + ... + 585952283.

It is an arithmetic number, because the mean of its divisors is an integer number (14062853160).

Almost surely, 2^80861405601 is an apocalyptic number.

It is an amenable number.

80861405601 is a deficient number, since it is larger than the sum of its proper divisors (31641419679).

80861405601 is a wasteful number, since it uses less digits than its factorization.

80861405601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1171904455.

The product of its (nonzero) digits is 46080, while the sum is 39.

The spelling of 80861405601 in words is "eighty billion, eight hundred sixty-one million, four hundred five thousand, six hundred one".