6971678208 has 480 divisors, whose sum is σ = 23947038720. Its totient is φ = 1985679360.

The previous prime is 6971678177. The next prime is 6971678251. The reversal of 6971678208 is 8028761796.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 54895041 + ... + 54895167.

It is an arithmetic number, because the mean of its divisors is an integer number (49889664).

Almost surely, 2^6971678208 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6971678208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11973519360).

6971678208 is an abundant number, since it is smaller than the sum of its proper divisors (16975360512).

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

6971678208 is a wasteful number, since it uses less digits than its factorization.

6971678208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203 (or 162 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 54.

The square root of 6971678208 is about 83496.5760256072. The cubic root of 6971678208 is about 1910.3478079729.

The spelling of 6971678208 in words is "six billion, nine hundred seventy-one million, six hundred seventy-eight thousand, two hundred eight".