6978624339 has 16 divisors (see below), whose sum is σ = 9357211904. Its totient is φ = 4626266400.

The previous prime is 6978624329. The next prime is 6978624347. The reversal of 6978624339 is 9334268796.

It is not a de Polignac number, because 6978624339 - 2¹¹ = 6978622291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6978624329) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 820569 + ... + 829029.

It is an arithmetic number, because the mean of its divisors is an integer number (584825744).

Almost surely, 2^6978624339 is an apocalyptic number.

6978624339 is a deficient number, since it is larger than the sum of its proper divisors (2378587565).

6978624339 is a wasteful number, since it uses less digits than its factorization.

6978624339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9978.

The product of its digits is 11757312, while the sum is 57.

The square root of 6978624339 is about 83538.1609744912. The cubic root of 6978624339 is about 1910.9820465404.

The spelling of 6978624339 in words is "six billion, nine hundred seventy-eight million, six hundred twenty-four thousand, three hundred thirty-nine".