14678887641 has 24 divisors (see below), whose sum is σ = 22094308992. Its totient is φ = 8655847200.

The previous prime is 14678887637. The next prime is 14678887649.

14678887641 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 14678887641 - 2² = 14678887637 is a prime.

It is not an unprimeable number, because it can be changed into a prime (14678887649) by changing a digit.

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 in 23 ways as a sum of consecutive naturals, for example, 533025 + ... + 559886.

It is an arithmetic number, because the mean of its divisors is an integer number (920596208).

Almost surely, 2^14678887641 is an apocalyptic number.

14678887641 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

14678887641 is a deficient number, since it is larger than the sum of its proper divisors (7415421351).

14678887641 is a wasteful number, since it uses less digits than its factorization.

14678887641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1092973 (or 1092962 counting only the distinct ones).

The product of its digits is 14450688, while the sum is 60.

The spelling of 14678887641 in words is "fourteen billion, six hundred seventy-eight million, eight hundred eighty-seven thousand, six hundred forty-one".