80127816 has 32 divisors (see below), whose sum is σ = 200934240. Its totient is φ = 26627328.

The previous prime is 80127799. The next prime is 80127821. The reversal of 80127816 is 61872108.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3135 + ... + 13041.

It is an arithmetic number, because the mean of its divisors is an integer number (6279195).

Almost surely, 2^80127816 is an apocalyptic number.

It is an amenable number.

80127816 is an abundant number, since it is smaller than the sum of its proper divisors (120806424).

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

80127816 is a wasteful number, since it uses less digits than its factorization.

80127816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10253 (or 10249 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 33.

The square root of 80127816 is about 8951.4141899479. The cubic root of 80127816 is about 431.1162919237.

The spelling of 80127816 in words is "eighty million, one hundred twenty-seven thousand, eight hundred sixteen".