6978584077 has 8 divisors (see below), whose sum is σ = 7314660864. Its totient is φ = 6645229008.

The previous prime is 6978584071. The next prime is 6978584083. The reversal of 6978584077 is 7704858796.

It is an interprime number because it is at equal distance from previous prime (6978584071) and next prime (6978584083).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6978584077 - 2³ = 6978584069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6978584071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 675178 + ... + 685435.

It is an arithmetic number, because the mean of its divisors is an integer number (914332608).

Almost surely, 2^6978584077 is an apocalyptic number.

It is an amenable number.

6978584077 is a deficient number, since it is larger than the sum of its proper divisors (336076787).

6978584077 is a wasteful number, since it uses less digits than its factorization.

6978584077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1360859.

The product of its (nonzero) digits is 23708160, while the sum is 61.

The square root of 6978584077 is about 83537.9199944552. The cubic root of 6978584077 is about 1910.9783715035.

The spelling of 6978584077 in words is "six billion, nine hundred seventy-eight million, five hundred eighty-four thousand, seventy-seven".