80863402221 has 16 divisors (see below), whose sum is σ = 136911580800. Its totient is φ = 46207658304.

The previous prime is 80863402183. The next prime is 80863402237. The reversal of 80863402221 is 12220436808.

It is not a de Polignac number, because 80863402221 - 2²⁵ = 80829847789 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80863402261) 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, 213924156 + ... + 213924533.

It is an arithmetic number, because the mean of its divisors is an integer number (8556973800).

Almost surely, 2^80863402221 is an apocalyptic number.

It is an amenable number.

80863402221 is a deficient number, since it is larger than the sum of its proper divisors (56048178579).

80863402221 is a wasteful number, since it uses less digits than its factorization.

80863402221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427848705 (or 427848699 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 36.

The spelling of 80863402221 in words is "eighty billion, eight hundred sixty-three million, four hundred two thousand, two hundred twenty-one".