14782503978 has 48 divisors (see below), whose sum is σ = 34956938016. Its totient is φ = 4477434720.

The previous prime is 14782503919. The next prime is 14782503997. The reversal of 14782503978 is 87930528741.

It is a happy number.

14782503978 is a `hidden beast` number, since 1 + 47 + 8 + 2 + 503 + 97 + 8 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 432400 + ... + 465332.

It is an arithmetic number, because the mean of its divisors is an integer number (728269542).

Almost surely, 2^14782503978 is an apocalyptic number.

14782503978 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

14782503978 is an abundant number, since it is smaller than the sum of its proper divisors (20174434038).

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

14782503978 is a wasteful number, since it uses less digits than its factorization.

14782503978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35219 (or 35216 counting only the distinct ones).

The product of its (nonzero) digits is 3386880, while the sum is 54.

The spelling of 14782503978 in words is "fourteen billion, seven hundred eighty-two million, five hundred three thousand, nine hundred seventy-eight".