8016782073 has 4 divisors (see below), whose sum is σ = 10689042768. Its totient is φ = 5344521380.

The previous prime is 8016782051. The next prime is 8016782087. The reversal of 8016782073 is 3702876108.

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 8016782073 - 2⁹ = 8016781561 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8016782023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1336130343 + ... + 1336130348.

It is an arithmetic number, because the mean of its divisors is an integer number (2672260692).

Almost surely, 2^8016782073 is an apocalyptic number.

It is an amenable number.

8016782073 is a deficient number, since it is larger than the sum of its proper divisors (2672260695).

8016782073 is a wasteful number, since it uses less digits than its factorization.

8016782073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2672260694.

The product of its (nonzero) digits is 112896, while the sum is 42.

The square root of 8016782073 is about 89536.4845914781. The cubic root of 8016782073 is about 2001.3975293118.

The spelling of 8016782073 in words is "eight billion, sixteen million, seven hundred eighty-two thousand, seventy-three".