80222988861 has 6 divisors (see below), whose sum is σ = 115877650590. Its totient is φ = 53481992568.

The previous prime is 80222988823. The next prime is 80222988863. The reversal of 80222988861 is 16888922208.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 66108123225 + 14114865636 = 257115^2 + 118806^2 .

It is not a de Polignac number, because 80222988861 - 2²⁶ = 80155879997 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 80222988798 and 80222988807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80222988863) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4456832706 + ... + 4456832723.

It is an arithmetic number, because the mean of its divisors is an integer number (19312941765).

Almost surely, 2^80222988861 is an apocalyptic number.

It is an amenable number.

80222988861 is a deficient number, since it is larger than the sum of its proper divisors (35654661729).

80222988861 is a wasteful number, since it uses less digits than its factorization.

80222988861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8913665435 (or 8913665432 counting only the distinct ones).

The product of its (nonzero) digits is 1769472, while the sum is 54.

The spelling of 80222988861 in words is "eighty billion, two hundred twenty-two million, nine hundred eighty-eight thousand, eight hundred sixty-one".