80963650 has 24 divisors (see below), whose sum is σ = 155788020. Its totient is φ = 31268160.

The previous prime is 80963647. The next prime is 80963677. The reversal of 80963650 is 5636908.

It can be written as a sum of positive squares in 6 ways, for example, as 37785609 + 43178041 = 6147^2 + 6571^2 .

It is a super-2 number, since 2×80963650² = 13110225242645000, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26469 + ... + 29368.

Almost surely, 2^80963650 is an apocalyptic number.

80963650 is a deficient number, since it is larger than the sum of its proper divisors (74824370).

80963650 is a wasteful number, since it uses less digits than its factorization.

80963650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55878 (or 55873 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 80963650 is about 8997.9803289405. The cubic root of 80963650 is about 432.6101382328.

The spelling of 80963650 in words is "eighty million, nine hundred sixty-three thousand, six hundred fifty".