14777686980 has 480 divisors, whose sum is σ = 55286956032. Its totient is φ = 3233260800.

The previous prime is 14777686969. The next prime is 14777686993. The reversal of 14777686980 is 8968677741.

14777686980 is a `hidden beast` number, since 1 + 477 + 7 + 6 + 86 + 9 + 80 = 666.

14777686980 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 44645415 + ... + 44645745.

Almost surely, 2^14777686980 is an apocalyptic number.

14777686980 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 14777686980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27643478016).

14777686980 is an abundant number, since it is smaller than the sum of its proper divisors (40509269052).

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

14777686980 is a wasteful number, since it uses less digits than its factorization.

14777686980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 517 (or 506 counting only the distinct ones).

The product of its (nonzero) digits is 28449792, while the sum is 63.

The spelling of 14777686980 in words is "fourteen billion, seven hundred seventy-seven million, six hundred eighty-six thousand, nine hundred eighty".