6973284978 has 144 divisors (see below), whose sum is σ = 18163795104. Its totient is φ = 1981635840.

The previous prime is 6973284977. The next prime is 6973284979. The reversal of 6973284978 is 8794823796.

It is an interprime number because it is at equal distance from previous prime (6973284977) and next prime (6973284979).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6973284971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 25174176 + ... + 25174452.

It is an arithmetic number, because the mean of its divisors is an integer number (126137466).

Almost surely, 2^6973284978 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6973284978, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9081897552).

6973284978 is an abundant number, since it is smaller than the sum of its proper divisors (11190510126).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6973284978 is a wasteful number, since it uses less digits than its factorization.

6973284978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 599 (or 310 counting only the distinct ones).

The product of its digits is 36578304, while the sum is 63.

The square root of 6973284978 is about 83506.1972430789. The cubic root of 6973284978 is about 1910.4945566550.

The spelling of 6973284978 in words is "six billion, nine hundred seventy-three million, two hundred eighty-four thousand, nine hundred seventy-eight".