14985779 has 12 divisors (see below), whose sum is σ = 15761616. Its totient is φ = 14245728.

The previous prime is 14985749. The next prime is 14985781. The reversal of 14985779 is 97758941.

14985779 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-14985779 is a prime.

It is not an unprimeable number, because it can be changed into a prime (14985739) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 86537 + ... + 86709.

It is an arithmetic number, because the mean of its divisors is an integer number (1313468).

Almost surely, 2^14985779 is an apocalyptic number.

14985779 is a deficient number, since it is larger than the sum of its proper divisors (775837).

14985779 is a wasteful number, since it uses less digits than its factorization.

14985779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334 (or 305 counting only the distinct ones).

The product of its digits is 635040, while the sum is 50.

The square root of 14985779 is about 3871.1469876511. The cubic root of 14985779 is about 246.5432450080.

The spelling of 14985779 in words is "fourteen million, nine hundred eighty-five thousand, seven hundred seventy-nine".