80646363 has 12 divisors (see below), whose sum is σ = 133130608. Its totient is φ = 46083600.

The previous prime is 80646323. The next prime is 80646367. The reversal of 80646363 is 36364608.

80646363 is a `hidden beast` number, since 8 + 0 + 646 + 3 + 6 + 3 = 666.

It is not a de Polignac number, because 80646363 - 2¹² = 80642267 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80646367) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 639988 + ... + 640113.

Almost surely, 2^80646363 is an apocalyptic number.

80646363 is a deficient number, since it is larger than the sum of its proper divisors (52484245).

80646363 is a wasteful number, since it uses less digits than its factorization.

80646363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1280114 (or 1280111 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 36.

The square root of 80646363 is about 8980.3320094527. The cubic root of 80646363 is about 432.0442823691.

The spelling of 80646363 in words is "eighty million, six hundred forty-six thousand, three hundred sixty-three".