14978924881 has 8 divisors (see below), whose sum is σ = 15260313024. Its totient is φ = 14699237520.

The previous prime is 14978924837. The next prime is 14978924899. The reversal of 14978924881 is 18842987941.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14978924881 is a prime.

It is a super-2 number, since 2×14978924881² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14978924381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 407410 + ... + 442651.

It is an arithmetic number, because the mean of its divisors is an integer number (1907539128).

Almost surely, 2^14978924881 is an apocalyptic number.

It is an amenable number.

14978924881 is a deficient number, since it is larger than the sum of its proper divisors (281388143).

14978924881 is an equidigital number, since it uses as much as digits as its factorization.

14978924881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 850391.

The product of its digits is 9289728, while the sum is 61.

The spelling of 14978924881 in words is "fourteen billion, nine hundred seventy-eight million, nine hundred twenty-four thousand, eight hundred eighty-one".