14187052078 has 4 divisors (see below), whose sum is σ = 21280578120. Its totient is φ = 7093526038.

The previous prime is 14187052051. The next prime is 14187052091. The reversal of 14187052078 is 87025078141.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 87025078141 = 683 ⋅127415927.

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 as a sum of consecutive naturals, namely, 3546763018 + ... + 3546763021.

It is an arithmetic number, because the mean of its divisors is an integer number (5320144530).

Almost surely, 2^14187052078 is an apocalyptic number.

14187052078 is a deficient number, since it is larger than the sum of its proper divisors (7093526042).

14187052078 is an equidigital number, since it uses as much as digits as its factorization.

14187052078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7093526041.

The product of its (nonzero) digits is 125440, while the sum is 43.

The spelling of 14187052078 in words is "fourteen billion, one hundred eighty-seven million, fifty-two thousand, seventy-eight".