6901678080 has 720 divisors, whose sum is σ = 27970959744. Its totient is φ = 1557135360.

The previous prime is 6901678079. The next prime is 6901678093. The reversal of 6901678080 is 808761096.

6901678080 = 11175² + 11176² + ... + 11229².

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (720).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 186531822 + ... + 186531858.

Almost surely, 2^6901678080 is an apocalyptic number.

6901678080 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6901678080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13985479872).

6901678080 is an abundant number, since it is smaller than the sum of its proper divisors (21069281664).

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

6901678080 is a wasteful number, since it uses less digits than its factorization.

6901678080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110 (or 81 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The square root of 6901678080 is about 83076.3388697408. The cubic root of 6901678080 is about 1903.9325824115.

The spelling of 6901678080 in words is "six billion, nine hundred one million, six hundred seventy-eight thousand, eighty".