80818762073 has 4 divisors (see below), whose sum is σ = 92364299520. Its totient is φ = 69273224628.

The previous prime is 80818762001. The next prime is 80818762099. The reversal of 80818762073 is 37026781808.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 80818762073 - 2²⁸ = 80550326617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80818762373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5772768713 + ... + 5772768726.

It is an arithmetic number, because the mean of its divisors is an integer number (23091074880).

Almost surely, 2^80818762073 is an apocalyptic number.

It is an amenable number.

80818762073 is a deficient number, since it is larger than the sum of its proper divisors (11545537447).

80818762073 is a wasteful number, since it uses less digits than its factorization.

80818762073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11545537446.

The product of its (nonzero) digits is 903168, while the sum is 50.

The spelling of 80818762073 in words is "eighty billion, eight hundred eighteen million, seven hundred sixty-two thousand, seventy-three".