80850126820 has 24 divisors (see below), whose sum is σ = 169849520064. Its totient is φ = 32327811936.

The previous prime is 80850126811. The next prime is 80850126893. The reversal of 80850126820 is 2862105808.

It is a happy number.

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, 710662 + ... + 816541.

It is an arithmetic number, because the mean of its divisors is an integer number (7077063336).

Almost surely, 2^80850126820 is an apocalyptic number.

It is an amenable number.

80850126820 is an abundant number, since it is smaller than the sum of its proper divisors (88999393244).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80850126820 is a wasteful number, since it uses less digits than its factorization.

80850126820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1529859 (or 1529857 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 40.

The spelling of 80850126820 in words is "eighty billion, eight hundred fifty million, one hundred twenty-six thousand, eight hundred twenty".