80649548 has 12 divisors (see below), whose sum is σ = 161299152. Its totient is φ = 34564080.

The previous prime is 80649463. The next prime is 80649577. The reversal of 80649548 is 84594608.

It is a happy number.

80649548 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 80649499 and 80649508.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1440143 + ... + 1440198.

It is an arithmetic number, because the mean of its divisors is an integer number (13441596).

Almost surely, 2^80649548 is an apocalyptic number.

It is an amenable number.

80649548 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

80649548 is a wasteful number, since it uses less digits than its factorization.

80649548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2880352 (or 2880350 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 44.

The square root of 80649548 is about 8980.5093396756. The cubic root of 80649548 is about 432.0499699284.

The spelling of 80649548 in words is "eighty million, six hundred forty-nine thousand, five hundred forty-eight".