14978961888 has 48 divisors (see below), whose sum is σ = 42894302976. Its totient is φ = 4539079040.

The previous prime is 14978961887. The next prime is 14978961931. The reversal of 14978961888 is 88816987941.

14978961888 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14978961887) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 7091256 + ... + 7093367.

It is an arithmetic number, because the mean of its divisors is an integer number (893631312).

Almost surely, 2^14978961888 is an apocalyptic number.

It is an amenable number.

14978961888 is an abundant number, since it is smaller than the sum of its proper divisors (27915341088).

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

14978961888 is a wasteful number, since it uses less digits than its factorization.

14978961888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14184647 (or 14184639 counting only the distinct ones).

The product of its digits is 55738368, while the sum is 69.

The spelling of 14978961888 in words is "fourteen billion, nine hundred seventy-eight million, nine hundred sixty-one thousand, eight hundred eighty-eight".