80365473100 has 72 divisors (see below), whose sum is σ = 190855628208. Its totient is φ = 29130316800.

The previous prime is 80365472963. The next prime is 80365473103. The reversal of 80365473100 is 137456308.

It is a super-2 number, since 2×80365473100² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 80365473100.

It is not an unprimeable number, because it can be changed into a prime (80365473103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 227592 + ... + 461008.

It is an arithmetic number, because the mean of its divisors is an integer number (2650772614).

Almost surely, 2^80365473100 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80365473100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95427814104).

80365473100 is an abundant number, since it is smaller than the sum of its proper divisors (110490155108).

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

80365473100 is a wasteful number, since it uses less digits than its factorization.

80365473100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233755 (or 233748 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 37.

The spelling of 80365473100 in words is "eighty billion, three hundred sixty-five million, four hundred seventy-three thousand, one hundred".