80819112 has 32 divisors (see below), whose sum is σ = 220416480. Its totient is φ = 24490560.

The previous prime is 80819107. The next prime is 80819113. The reversal of 80819112 is 21191808.

It is a self number, because there is not a number n which added to its sum of digits gives 80819112.

It is not an unprimeable number, because it can be changed into a prime (80819113) 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, 152803 + ... + 153330.

It is an arithmetic number, because the mean of its divisors is an integer number (6888015).

Almost surely, 2^80819112 is an apocalyptic number.

It is an amenable number.

80819112 is an abundant number, since it is smaller than the sum of its proper divisors (139597368).

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

80819112 is a wasteful number, since it uses less digits than its factorization.

80819112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306153 (or 306149 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 30.

The square root of 80819112 is about 8989.9450498877. The cubic root of 80819112 is about 432.3525500014.

The spelling of 80819112 in words is "eighty million, eight hundred nineteen thousand, one hundred twelve".