80812963 has 8 divisors (see below), whose sum is σ = 100753920. Its totient is φ = 62971080.

The previous prime is 80812933. The next prime is 80812987. The reversal of 80812963 is 36921808.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80812963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80812933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 524683 + ... + 524836.

It is an arithmetic number, because the mean of its divisors is an integer number (12594240).

Almost surely, 2^80812963 is an apocalyptic number.

80812963 is a deficient number, since it is larger than the sum of its proper divisors (19940957).

80812963 is a wasteful number, since it uses less digits than its factorization.

80812963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1049537.

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 80812963 is about 8989.6030501908. The cubic root of 80812963 is about 432.3415847599.

The spelling of 80812963 in words is "eighty million, eight hundred twelve thousand, nine hundred sixty-three".