8293781516 has 12 divisors (see below), whose sum is σ = 14515187232. Its totient is φ = 4146585168.

The previous prime is 8293781467. The next prime is 8293781519. The reversal of 8293781516 is 6151873928.

It is not an unprimeable number, because it can be changed into a prime (8293781519) 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, 8660 + ... + 129083.

It is an arithmetic number, because the mean of its divisors is an integer number (1209598936).

Almost surely, 2^8293781516 is an apocalyptic number.

It is an amenable number.

8293781516 is a deficient number, since it is larger than the sum of its proper divisors (6221405716).

8293781516 is a wasteful number, since it uses less digits than its factorization.

8293781516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152800 (or 152798 counting only the distinct ones).

The product of its digits is 725760, while the sum is 50.

The square root of 8293781516 is about 91070.2010319512. The cubic root of 8293781516 is about 2024.1880820468.

The spelling of 8293781516 in words is "eight billion, two hundred ninety-three million, seven hundred eighty-one thousand, five hundred sixteen".