14790927781 has 12 divisors (see below), whose sum is σ = 17215377120. Its totient is φ = 12670861560.

The previous prime is 14790927761. The next prime is 14790927787. The reversal of 14790927781 is 18772909741.

It is not a de Polignac number, because 14790927781 - 2¹⁹ = 14790403493 is a prime.

It is a super-2 number, since 2×14790927781² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14790927787) 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 11 ways as a sum of consecutive naturals, for example, 5400 + ... + 172078.

It is an arithmetic number, because the mean of its divisors is an integer number (1434614760).

Almost surely, 2^14790927781 is an apocalyptic number.

It is an amenable number.

14790927781 is a deficient number, since it is larger than the sum of its proper divisors (2424449339).

14790927781 is a wasteful number, since it uses less digits than its factorization.

14790927781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168504 (or 168497 counting only the distinct ones).

The product of its (nonzero) digits is 1778112, while the sum is 55.

The spelling of 14790927781 in words is "fourteen billion, seven hundred ninety million, nine hundred twenty-seven thousand, seven hundred eighty-one".