14899578947 has 8 divisors (see below), whose sum is σ = 16256703792. Its totient is φ = 13542890400.

The previous prime is 14899578901. The next prime is 14899578959. The reversal of 14899578947 is 74987599841.

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

It is a cyclic number.

It is not a de Polignac number, because 14899578947 - 2¹⁴ = 14899562563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14899578977) 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, 35504 + ... + 176237.

It is an arithmetic number, because the mean of its divisors is an integer number (2032087974).

Almost surely, 2^14899578947 is an apocalyptic number.

14899578947 is a deficient number, since it is larger than the sum of its proper divisors (1357124845).

14899578947 is a wasteful number, since it uses less digits than its factorization.

14899578947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218149.

The product of its digits is 182891520, while the sum is 71.

The spelling of 14899578947 in words is "fourteen billion, eight hundred ninety-nine million, five hundred seventy-eight thousand, nine hundred forty-seven".