14985307897 has 16 divisors (see below), whose sum is σ = 17246380032. Its totient is φ = 12754422720.

The previous prime is 14985307873. The next prime is 14985307903. The reversal of 14985307897 is 79870358941.

It is a cyclic number.

It is not a de Polignac number, because 14985307897 - 2²⁷ = 14851090169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (14985307867) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2164872 + ... + 2171782.

It is an arithmetic number, because the mean of its divisors is an integer number (1077898752).

Almost surely, 2^14985307897 is an apocalyptic number.

It is an amenable number.

14985307897 is a deficient number, since it is larger than the sum of its proper divisors (2261072135).

14985307897 is a wasteful number, since it uses less digits than its factorization.

14985307897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9048.

The product of its (nonzero) digits is 15240960, while the sum is 61.

The spelling of 14985307897 in words is "fourteen billion, nine hundred eighty-five million, three hundred seven thousand, eight hundred ninety-seven".