14778825680 has 80 divisors (see below), whose sum is σ = 34671513024. Its totient is φ = 5858227200.

The previous prime is 14778825673. The next prime is 14778825767. The reversal of 14778825680 is 8652887741.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 11518319 + ... + 11519601.

Almost surely, 2^14778825680 is an apocalyptic number.

14778825680 is a gapful number since it is divisible by the number (10) 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 14778825680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17335756512).

14778825680 is an abundant number, since it is smaller than the sum of its proper divisors (19892687344).

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

14778825680 is a wasteful number, since it uses less digits than its factorization.

14778825680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2484 (or 2478 counting only the distinct ones).

The product of its (nonzero) digits is 6021120, while the sum is 56.

The spelling of 14778825680 in words is "fourteen billion, seven hundred seventy-eight million, eight hundred twenty-five thousand, six hundred eighty".