6978336442 has 48 divisors (see below), whose sum is σ = 13455199296. Its totient is φ = 2655576000.

The previous prime is 6978336427. The next prime is 6978336457. The reversal of 6978336442 is 2446338796.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (6978336427) and next prime (6978336457).

It is a self number, because there is not a number n which added to its sum of digits gives 6978336442.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24942 + ... + 120742.

It is an arithmetic number, because the mean of its divisors is an integer number (280316652).

Almost surely, 2^6978336442 is an apocalyptic number.

6978336442 is a deficient number, since it is larger than the sum of its proper divisors (6476862854).

6978336442 is a wasteful number, since it uses less digits than its factorization.

6978336442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95875 (or 95864 counting only the distinct ones).

The product of its digits is 5225472, while the sum is 52.

The square root of 6978336442 is about 83536.4378100958. The cubic root of 6978336442 is about 1910.9557675521.

The spelling of 6978336442 in words is "six billion, nine hundred seventy-eight million, three hundred thirty-six thousand, four hundred forty-two".