80861548 has 12 divisors (see below), whose sum is σ = 141626520. Its totient is φ = 40396832.

The previous prime is 80861533. The next prime is 80861591. The reversal of 80861548 is 84516808.

It is a self number, because there is not a number n which added to its sum of digits gives 80861548.

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, 2686 + ... + 12997.

It is an arithmetic number, because the mean of its divisors is an integer number (11802210).

Almost surely, 2^80861548 is an apocalyptic number.

It is an amenable number.

80861548 is a deficient number, since it is larger than the sum of its proper divisors (60764972).

80861548 is a wasteful number, since it uses less digits than its factorization.

80861548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16976 (or 16974 counting only the distinct ones).

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

The square root of 80861548 is about 8992.3049325521. The cubic root of 80861548 is about 432.4282090960.

The spelling of 80861548 in words is "eighty million, eight hundred sixty-one thousand, five hundred forty-eight".