80955650 has 12 divisors (see below), whose sum is σ = 150577602. Its totient is φ = 32382240.

The previous prime is 80955647. The next prime is 80955659. The reversal of 80955650 is 5655908.

It can be written as a sum of positive squares in 3 ways, for example, as 47789569 + 33166081 = 6913^2 + 5759^2 .

It is not an unprimeable number, because it can be changed into a prime (80955659) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 809507 + ... + 809606.

Almost surely, 2^80955650 is an apocalyptic number.

80955650 is a deficient number, since it is larger than the sum of its proper divisors (69621952).

80955650 is a wasteful number, since it uses less digits than its factorization.

80955650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1619125 (or 1619120 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 38.

The square root of 80955650 is about 8997.5357737549. The cubic root of 80955650 is about 432.5958890601.

The spelling of 80955650 in words is "eighty million, nine hundred fifty-five thousand, six hundred fifty".