83323666947 has 6 divisors (see below), whose sum is σ = 111098889228. Its totient is φ = 55548777984.

The previous prime is 83323666939. The next prime is 83323666957. The reversal of 83323666947 is 74966632338.

It is not a de Polignac number, because 83323666947 - 2³ = 83323666939 is a prime.

It is not an unprimeable number, because it can be changed into a prime (83323666957) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 416643 + ... + 583299.

It is an arithmetic number, because the mean of its divisors is an integer number (18516481538).

Almost surely, 2^83323666947 is an apocalyptic number.

83323666947 is a deficient number, since it is larger than the sum of its proper divisors (27775222281).

83323666947 is an frugal number, since it uses more digits than its factorization.

83323666947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333317 (or 166660 counting only the distinct ones).

The product of its digits is 23514624, while the sum is 57.

The spelling of 83323666947 in words is "eighty-three billion, three hundred twenty-three million, six hundred sixty-six thousand, nine hundred forty-seven".