8343392979 has 32 divisors (see below), whose sum is σ = 11590225920. Its totient is φ = 5332982400.

The previous prime is 8343392969. The next prime is 8343392999. The reversal of 8343392979 is 9792933438.

It is not a de Polignac number, because 8343392979 - 2⁵ = 8343392947 is a prime.

It is a super-2 number, since 2×8343392979² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8343392909) 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 31 ways as a sum of consecutive naturals, for example, 6040869 + ... + 6042249.

It is an arithmetic number, because the mean of its divisors is an integer number (362194560).

Almost surely, 2^8343392979 is an apocalyptic number.

8343392979 is a deficient number, since it is larger than the sum of its proper divisors (3246832941).

8343392979 is a wasteful number, since it uses less digits than its factorization.

8343392979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1971.

The product of its digits is 8817984, while the sum is 57.

The square root of 8343392979 is about 91342.1752478011. The cubic root of 8343392979 is about 2028.2161344385.

The spelling of 8343392979 in words is "eight billion, three hundred forty-three million, three hundred ninety-two thousand, nine hundred seventy-nine".